gpu: Introduce separate mojo api for failed initialization.

content/browser/gpu/gpu_process_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 166 matching lines @@
   void RouteOnUIThread(const IPC::Message& message);
 
   // BrowserChildProcessHostDelegate implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnProcessLaunched() override;
   void OnProcessLaunchFailed(int error_code) override;
   void OnProcessCrashed(int exit_code) override;
 
   // ui::mojom::GpuHost:
-  void DidInitialize(const gpu::GPUInfo& gpu_info) override;
+  void DidInitialize(const gpu::GPUInfo& gpu_info,
+                     const gpu::GpuFeatureInfo& gpu_feature_info) override;
+  void DidFailInitialize() override;
   void DidCreateOffscreenContext(const GURL& url) override;
   void DidDestroyOffscreenContext(const GURL& url) override;
   void DidDestroyChannel(int32_t client_id) override;
   void DidLoseContext(bool offscreen,
                       gpu::error::ContextLostReason reason,
                       const GURL& active_url) override;
   void SetChildSurface(gpu::SurfaceHandle parent,
                        gpu::SurfaceHandle child) override;
   void StoreShaderToDisk(int32_t client_id,
                          const std::string& key,
@@ skipping 103 matching lines @@
   gpu::GpuProcessHostActivityFlags activity_flags_;
 
   base::WeakPtrFactory<GpuProcessHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_