Rename discardFramebufferEXT to discardBackbufferCHROMIUM to avoid collision with real discardFrame…

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 664 matching lines @@
     bool visible) {
   gl_->Flush();
   visible_ = visible;
   command_buffer_->SetSurfaceVisible(visible);
   if (!visible)
     gl_->FreeEverything();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::discardFramebufferEXT(
     WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) {
+  // TODO(jamesr): Call the real function when it exists on GLES2Implementation.
+  // gl_->DiscardFramebufferEXT(target, numAttachments, attachments);
+}
+
+void WebGraphicsContext3DCommandBufferImpl::discardBackbufferCHROMIUM() {
   gl_->Flush();
   command_buffer_->DiscardBackbuffer();
 }
 
-void WebGraphicsContext3DCommandBufferImpl::ensureFramebufferCHROMIUM() {
+void WebGraphicsContext3DCommandBufferImpl::ensureBackbufferCHROMIUM() {
   gl_->Flush();
   command_buffer_->EnsureBackbuffer();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::sendManagedMemoryStatsCHROMIUM(
     const WebGraphicsManagedMemoryStats* stats)
 {
   CHECK(command_buffer_);
   command_buffer_->SendManagedMemoryStats(GpuManagedMemoryStats(
       stats->bytesVisible,
@@ skipping 1010 matching lines @@
 
 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);
   }
 }
 
 }  // namespace content