WebGL 2: Fix bugs in negativetextureapi.html for Mac

gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc
index fc44c8abb0a92e888a49c0b1fdba881923a918cc..65edf3404e8d3eddfe88e0f73175973d840ce328 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_3.cc
@@ -115,6 +115,17 @@ void GLES2DecoderTestBase::SpecializedSetup<cmds::ValidateProgram, 0>(
       .RetiresOnSaturation();
 };
 
+template <>
+void GLES2DecoderTestBase::SpecializedSetup<cmds::CopyTexSubImage3D, 0>(

[qiankun, 2016/07/27 13:56:26]

What's this setup used for?

[Zhenyao Mo, 2016/07/27 17:38:29]

I don't think this is necessary. For the manually written tests, all the setups
can go into the test.

[yunchao, 2016/07/27 23:46:11]

That's true. This code snippet is not necessary. 
Done.

+    bool valid) {
+  if (valid) {
+    DoBindTexture(GL_TEXTURE_3D, client_texture_id_, kServiceTextureId);
+    DoTexImage3D(
+        GL_TEXTURE_3D, 1, GL_RGBA8, 2, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+        kSharedMemoryId, kSharedMemoryOffset);
+  }
+};
+
 TEST_P(GLES2DecoderTest3, TraceBeginCHROMIUM) {
   const uint32_t kCategoryBucketId = 123;
   const uint32_t kNameBucketId = 234;