SkPDF: unit test cleanup
SkPDF: unit test cleanup

BUG=skia:3585

Review URL: https://codereview.chromium.org/1033833002

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