DCHECK if shader compilation fails that it's due to context loss.

content/common/gpu/client/command_buffer_proxy_impl.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_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 100 matching lines @@
                                    unsigned usage) override;
   uint32 InsertSyncPoint() override;
   uint32_t InsertFutureSyncPoint() override;
   void RetireSyncPoint(uint32_t sync_point) override;
   void SignalSyncPoint(uint32 sync_point,
                        const base::Closure& callback) override;
   void SignalQuery(uint32 query, const base::Closure& callback) override;
   void SetSurfaceVisible(bool visible) override;
   uint32 CreateStreamTexture(uint32 texture_id) override;
   void SetLock(base::Lock* lock) override;
+  bool IsGpuChannelLost() override;
 
   int GetRouteID() const;
   bool ProduceFrontBuffer(const gpu::Mailbox& mailbox);
   void SetContextLostCallback(const base::Closure& callback);
 
   typedef base::Callback<void(const gpu::MemoryAllocation&)>
       MemoryAllocationChangedCallback;
   void SetMemoryAllocationChangedCallback(
       const MemoryAllocationChangedCallback& callback);
   void AddDeletionObserver(DeletionObserver* observer);
@@ skipping 100 matching lines @@
 
   SwapBuffersCompletionCallback swap_buffers_completion_callback_;
   UpdateVSyncParametersCallback update_vsync_parameters_completion_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxyImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_