Correcting un-returned depth size in utility function.
Correcting un-returned depth size in utility function.

TRAC #11333
Implemented during masking conformance testing.

Author: Shannon Woods
Signed-off-by: Andrew Lewycky
Signed-off-by: Daniel Koch

git-svn-id: 947ae547afacb859f3991e003b9d6feb04be57d7@29 736b8ea6-26fd-11df-bfd4-992fa37f6226

MIPS/external-chromium_org-third_party-angle,Mustaavalkosta/android_external_angle,xin3liang/platform_external_chromium_org_third_party_angle,Mustaavalkosta/android_external_angle,jgcaaprom/android_external_chromium_org_third_party_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,adobe/angle.js,xin3liang/platform_external_chromium_org_third_party_angle,spurious/angle-mirror,dumganhar/angleproject,MIPS/external-chromium_org-third_party-angle,android-ia/platform_external_chromium_org_third_party_angle,dumganhar/angleproject,android-ia/platform_external_chromium_org_third_party_angle,dumganhar/angleproject,Mustaavalkosta/android_external_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,xin3liang/platform_external_chromium_org_third_party_angle,spurious/angle-mirror,adobe/angle.js,dumganhar/angleproject,jgcaaprom/android_external_chromium_org_third_party_angle,adobe/angle.js,geekboxzone/lollipop_external_chromium_org_third_party_angle,xin3liang/platform_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,adobe/angle.js,android-ia/platform_external_chromium_org_third_party_angle,spurious/angle-mirror,geekboxzone/lollipop_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,Mustaavalkosta/android_external_angle,MIPS/external-chromium_org-third_party-angle,spurious/angle-mirror,MIPS/external-chromium_org-third_party-angle