fix ios build
fix ios build

NOTREECHECKS=true
NOTRY=true
TBR=

Review URL: https://codereview.chromium.org/641063002

Jichao/skia,w3nd1go/android_external_skia,VRToxin-AOSP/android_external_skia,google/skia,MinimalOS-AOSP/platform_external_skia,OneRom/external_skia,boulzordev/android_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,OneRom/external_skia,MinimalOS-AOSP/platform_external_skia,UBERMALLOW/external_skia,Igalia/skia,scroggo/skia,ominux/skia,YUPlayGodDev/platform_external_skia,boulzordev/android_external_skia,qrealka/skia-hc,nfxosp/platform_external_skia,spezi77/android_external_skia,scroggo/skia,UBERMALLOW/external_skia,rubenvb/skia,shahrzadmn/skia,nvoron23/skia,UBERMALLOW/external_skia,UBERMALLOW/external_skia,spezi77/android_external_skia,TeamExodus/external_skia,amyvmiwei/skia,scroggo/skia,shahrzadmn/skia,ominux/skia,timduru/platform-external-skia,PAC-ROM/android_external_skia,AOSPB/external_skia,TeamTwisted/external_skia,Igalia/skia,nvoron23/skia,jtg-gg/skia,qrealka/skia-hc,UBERMALLOW/external_skia,MonkeyZZZZ/platform_external_skia,boulzordev/android_external_skia,nvoron23/skia,noselhq/skia,boulzordev/android_external_skia,Igalia/skia,UBERMALLOW/external_skia,samuelig/skia,vanish87/skia,pcwalton/skia,scroggo/skia,rubenvb/skia,amyvmiwei/skia,aosp-mirror/platform_external_skia,TeamTwisted/external_skia,Infinitive-OS/platform_external_skia,DiamondLovesYou/skia-sys,PAC-ROM/android_external_skia,Hikari-no-Tenshi/android_external_skia,w3nd1go/android_external_skia,DiamondLovesYou/skia-sys,invisiblek/android_external_skia,aosp-mirror/platform_external_skia,qrealka/skia-hc,rubenvb/skia,TeamExodus/external_skia,AOSP-YU/platform_external_skia,noselhq/skia,todotodoo/skia,TeamTwisted/external_skia,DiamondLovesYou/skia-sys,timduru/platform-external-skia,nfxosp/platform_external_skia,samuelig/skia,vanish87/skia,MonkeyZZZZ/platform_external_skia,timduru/platform-external-skia,AOSP-YU/platform_external_skia,Infinitive-OS/platform_external_skia,amyvmiwei/skia,jtg-gg/skia,MarshedOut/android_external_skia,geekboxzone/mmallow_external_skia,MonkeyZZZZ/platform_external_skia,samuelig/skia,todotodoo/skia,OneRom/external_skia,DiamondLovesYou/skia-sys,nvoron23/skia,aosp-mirror/platform_external_skia,w3nd1go/android_external_skia,timduru/platform-external-skia,nvoron23/skia,MonkeyZZZZ/platform_external_skia,PAC-ROM/android_external_skia,rubenvb/skia,MonkeyZZZZ/platform_external_skia,TeamExodus/external_skia,YUPlayGodDev/platform_external_skia,MarshedOut/android_external_skia,invisiblek/android_external_skia,w3nd1go/android_external_skia,jtg-gg/skia,Jichao/skia,qrealka/skia-hc,PAC-ROM/android_external_skia,chenlian2015/skia_from_google,ominux/skia,TeamExodus/external_skia,Infinitive-OS/platform_external_skia,ominux/skia,HalCanary/skia-hc,todotodoo/skia,scroggo/skia,amyvmiwei/skia,w3nd1go/android_external_skia,amyvmiwei/skia,VRToxin-AOSP/android_external_skia,google/skia,AOSP-YU/platform_external_skia,AOSPB/external_skia,ominux/skia,timduru/platform-external-skia,VRToxin-AOSP/android_external_skia,amyvmiwei/skia,jtg-gg/skia,HalCanary/skia-hc,TeamTwisted/external_skia,Hikari-no-Tenshi/android_external_skia,shahrzadmn/skia,timduru/platform-external-skia,Infinitive-OS/platform_external_skia,todotodoo/skia,w3nd1go/android_external_skia,MinimalOS-AOSP/platform_external_skia,Infinitive-OS/platform_external_skia,YUPlayGodDev/platform_external_skia,HalCanary/skia-hc,YUPlayGodDev/platform_external_skia,noselhq/skia,google/skia,noselhq/skia,TeamExodus/external_skia,rubenvb/skia,vanish87/skia,BrokenROM/external_skia,OneRom/external_skia,MinimalOS-AOSP/platform_external_skia,MonkeyZZZZ/platform_external_skia,invisiblek/android_external_skia,Infinitive-OS/platform_external_skia,pcwalton/skia,AOSP-YU/platform_external_skia,scroggo/skia,AOSPB/external_skia,geekboxzone/mmallow_external_skia,nfxosp/platform_external_skia,Jichao/skia,todotodoo/skia,samuelig/skia,YUPlayGodDev/platform_external_skia,google/skia,AOSPB/external_skia,samuelig/skia,invisiblek/android_external_skia,invisiblek/android_external_skia,BrokenROM/external_skia,tmpvar/skia.cc,VRToxin-AOSP/android_external_skia,geekboxzone/mmallow_external_skia,shahrzadmn/skia,aosp-mirror/platform_external_skia,vanish87/skia,TeamExodus/external_skia,spezi77/android_external_skia,BrokenROM/external_skia,chenlian2015/skia_from_google,AOSPB/external_skia,AOSPB/external_skia,google/skia,nfxosp/platform_external_skia,MinimalOS-AOSP/platform_external_skia,Jichao/skia,tmpvar/skia.cc,TeamTwisted/external_skia,Jichao/skia,invisiblek/android_external_skia,geekboxzone/mmallow_external_skia,w3nd1go/android_external_skia,todotodoo/skia,HalCanary/skia-hc,qrealka/skia-hc,scroggo/skia,vanish87/skia,aosp-mirror/platform_external_skia,tmpvar/skia.cc,AOSP-YU/platform_external_skia,HalCanary/skia-hc,vanish87/skia,rubenvb/skia,AOSP-YU/platform_external_skia,samuelig/skia,BrokenROM/external_skia,Infinitive-OS/platform_external_skia,boulzordev/android_external_skia,pcwalton/skia,spezi77/android_external_skia,MinimalOS-AOSP/platform_external_skia,AOSP-YU/platform_external_skia,tmpvar/skia.cc,Igalia/skia,TeamExodus/external_skia,OneRom/external_skia,scroggo/skia,samuelig/skia,ominux/skia,MarshedOut/android_external_skia,shahrzadmn/skia,chenlian2015/skia_from_google,HalCanary/skia-hc,geekboxzone/mmallow_external_skia,Infinitive-OS/platform_external_skia,YUPlayGodDev/platform_external_skia,YUPlayGodDev/platform_external_skia,DiamondLovesYou/skia-sys,Jichao/skia,rubenvb/skia,MinimalOS-AOSP/platform_external_skia,MinimalOS-AOSP/platform_external_skia,Igalia/skia,aosp-mirror/platform_external_skia,YUPlayGodDev/platform_external_skia,Igalia/skia,Hikari-no-Tenshi/android_external_skia,TeamTwisted/external_skia,boulzordev/android_external_skia,amyvmiwei/skia,pcwalton/skia,Igalia/skia,geekboxzone/mmallow_external_skia,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,amyvmiwei/skia,qrealka/skia-hc,jtg-gg/skia,spezi77/android_external_skia,BrokenROM/external_skia,nfxosp/platform_external_skia,shahrzadmn/skia,BrokenROM/external_skia,rubenvb/skia,MonkeyZZZZ/platform_external_skia,VRToxin-AOSP/android_external_skia,OneRom/external_skia,AOSPB/external_skia,vanish87/skia,jtg-gg/skia,tmpvar/skia.cc,nvoron23/skia,nfxosp/platform_external_skia,chenlian2015/skia_from_google,pcwalton/skia,Jichao/skia,nvoron23/skia,MinimalOS-AOSP/platform_external_skia,Hikari-no-Tenshi/android_external_skia,geekboxzone/mmallow_external_skia,google/skia,HalCanary/skia-hc,chenlian2015/skia_from_google,chenlian2015/skia_from_google,TeamExodus/external_skia,Hikari-no-Tenshi/android_external_skia,invisiblek/android_external_skia,ominux/skia,todotodoo/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,TeamExodus/external_skia,nfxosp/platform_external_skia,nvoron23/skia,boulzordev/android_external_skia,nfxosp/platform_external_skia,invisiblek/android_external_skia,todotodoo/skia,timduru/platform-external-skia,ominux/skia,MarshedOut/android_external_skia,samuelig/skia,shahrzadmn/skia,noselhq/skia,noselhq/skia,tmpvar/skia.cc,OneRom/external_skia,vanish87/skia,VRToxin-AOSP/android_external_skia,MonkeyZZZZ/platform_external_skia,OneRom/external_skia,geekboxzone/mmallow_external_skia,shahrzadmn/skia,DiamondLovesYou/skia-sys,geekboxzone/mmallow_external_skia,BrokenROM/external_skia,nvoron23/skia,TeamTwisted/external_skia,tmpvar/skia.cc,qrealka/skia-hc,MarshedOut/android_external_skia,pcwalton/skia,HalCanary/skia-hc,TeamTwisted/external_skia,AOSP-YU/platform_external_skia,Igalia/skia,nfxosp/platform_external_skia,google/skia,AOSPB/external_skia,MarshedOut/android_external_skia,UBERMALLOW/external_skia,PAC-ROM/android_external_skia,DiamondLovesYou/skia-sys,PAC-ROM/android_external_skia,TeamTwisted/external_skia,qrealka/skia-hc,w3nd1go/android_external_skia,YUPlayGodDev/platform_external_skia,Infinitive-OS/platform_external_skia,shahrzadmn/skia,PAC-ROM/android_external_skia,rubenvb/skia,aosp-mirror/platform_external_skia,google/skia,noselhq/skia,google/skia,tmpvar/skia.cc,MonkeyZZZZ/platform_external_skia,chenlian2015/skia_from_google,boulzordev/android_external_skia,jtg-gg/skia,w3nd1go/android_external_skia,vanish87/skia,AOSPB/external_skia,spezi77/android_external_skia,VRToxin-AOSP/android_external_skia,PAC-ROM/android_external_skia,VRToxin-AOSP/android_external_skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,aosp-mirror/platform_external_skia,PAC-ROM/android_external_skia,AOSP-YU/platform_external_skia,tmpvar/skia.cc,Jichao/skia,ominux/skia,todotodoo/skia,MarshedOut/android_external_skia,Jichao/skia,MarshedOut/android_external_skia,VRToxin-AOSP/android_external_skia,UBERMALLOW/external_skia,boulzordev/android_external_skia,MarshedOut/android_external_skia,Hikari-no-Tenshi/android_external_skia,OneRom/external_skia,noselhq/skia,BrokenROM/external_skia,pcwalton/skia,pcwalton/skia,noselhq/skia,google/skia,UBERMALLOW/external_skia