Remove WebGraphicsContext3D reason from the CauseForGpuLaunch enum

content/renderer/renderer_blink_platform_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/renderer/renderer_blink_platform_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 1006 matching lines @@
     blink::Platform::GraphicsInfo* gl_info) {
   DCHECK(gl_info);
   if (!RenderThreadImpl::current()) {
     std::string error_message("Failed to run in Current RenderThreadImpl");
     gl_info->errorMessage = WebString::fromUTF8(error_message);
     return nullptr;
   }
 
   scoped_refptr<gpu::GpuChannelHost> gpu_channel_host(
       RenderThreadImpl::current()->EstablishGpuChannelSync(
-          CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
+          CAUSE_FOR_GPU_LAUNCH_WEBGL_CONTEXT));
   if (!gpu_channel_host) {
     std::string error_message(
         "OffscreenContext Creation failed, GpuChannelHost creation failed");
     gl_info->errorMessage = WebString::fromUTF8(error_message);
     return nullptr;
   }
 
   content::WebGraphicsContext3DProviderImpl* share_provider_impl =
       static_cast<content::WebGraphicsContext3DProviderImpl*>(share_provider);
   ContextProviderCommandBuffer* share_context = nullptr;
@@ skipping 264 matching lines @@
 }
 
 //------------------------------------------------------------------------------
 
 blink::WebTrialTokenValidator*
 RendererBlinkPlatformImpl::trialTokenValidator() {
   return &trial_token_validator_;
 }
 
 }  // namespace content