Add GL_CHROMIUM_texture_mailbox entrypoints to wgc3d implementations

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
index 4cf413d69ed01f9fe61e3fcfb29ccc15d87fd324..aedd8c7a2e00d5c768155c38c1dd8c005e721ab0 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
@@ -945,10 +945,6 @@ void WebGraphicsContext3DCommandBufferImpl::flush() {
     gl_->FreeEverything();
 }
 
-void WebGraphicsContext3DCommandBufferImpl::shallowFlushCHROMIUM() {
-  gl_->ShallowFlushCHROMIUM();
-}
-
 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer,
                  WGC3Denum, WGC3Denum, WGC3Denum, WebGLId)
 
@@ -1536,6 +1532,14 @@ DELEGATE_TO_GL_5(copyTextureCHROMIUM, CopyTextureCHROMIUM,  WGC3Denum,
 DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM,
                  WebGLId, WGC3Dint, const WGC3Dchar*)
 
+DELEGATE_TO_GL(shallowFlushCHROMIUM,ShallowFlushCHROMIUM);
+
+DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*)
+DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM,
+                 WGC3Denum, const WGC3Dbyte*)
+DELEGATE_TO_GL_2(consumeTextureCHROMIUM, ConsumeTextureCHROMIUM,
+                 WGC3Denum, const WGC3Dbyte*)
+
 GrGLInterface* WebGraphicsContext3DCommandBufferImpl::onCreateGrGLInterface() {
   return webkit_glue::CreateCommandBufferSkiaGLBinding();
 }