Add a shallow command buffer flush that doesn't glFlush

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 921 matching lines @@
   if (!visible_ && free_command_buffer_when_invisible_)
     gl_->FreeEverything();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::flush() {
   gl_->Flush();
   if (!visible_ && free_command_buffer_when_invisible_)
     gl_->FreeEverything();
 }
 
+void WebGraphicsContext3DCommandBufferImpl::shallowFlushCHROMIUM() {
+  gl_->ShallowFlushCHROMIUM();
+}
+
 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer,
                  WGC3Denum, WGC3Denum, WGC3Denum, WebGLId)
 
 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D,
                  WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint)
 
 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum)
 
 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum)
 
@@ skipping 608 matching lines @@
     swap_client_->OnViewContextSwapBuffersAborted();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage(
     const std::string& message, int id) {
   if (error_message_callback_) {
     WebKit::WebString str = WebKit::WebString::fromUTF8(message.c_str());
     error_message_callback_->onErrorMessage(str, id);
   }
 }