gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/command_buffer/cmd_buffer_functions.txt

Index: gpu/command_buffer/cmd_buffer_functions.txt
diff --git a/gpu/command_buffer/cmd_buffer_functions.txt b/gpu/command_buffer/cmd_buffer_functions.txt
index ede8bc48e934858850dbaa9dfc474cb7da6700c2..f4d5e2b2dd3e912dec6f3e21a77bc964ee628dd1 100644
--- a/gpu/command_buffer/cmd_buffer_functions.txt
+++ b/gpu/command_buffer/cmd_buffer_functions.txt
@@ -295,7 +295,7 @@ GL_APICALL void         GL_APIENTRY glConsumeTextureCHROMIUM (GLenumTextureBindT
 GL_APICALL GLuint       GL_APIENTRY glCreateAndConsumeTextureCHROMIUM (GLenumTextureBindTarget target, const GLbyte* mailbox);
 GL_APICALL void         GL_APIENTRY glCreateAndConsumeTextureINTERNAL (GLenumTextureBindTarget target, GLuint texture, const GLbyte* mailbox);
 GL_APICALL void         GL_APIENTRY glBindUniformLocationCHROMIUM (GLidProgram program, GLint location, const char* name);
-GL_APICALL void         GL_APIENTRY glBindTexImage2DCHROMIUM (GLenumTextureBindTarget target, GLint imageId);
+GL_APICALL void         GL_APIENTRY glBindTexImage2DCHROMIUM (GLenumTextureBindTarget target, GLint imageId, GLint fenceId);
 GL_APICALL void         GL_APIENTRY glReleaseTexImage2DCHROMIUM (GLenumTextureBindTarget target, GLint imageId);
 GL_APICALL void         GL_APIENTRY glTraceBeginCHROMIUM (const char* category_name, const char* trace_name);
 GL_APICALL void         GL_APIENTRY glTraceEndCHROMIUM (void);