aw: Hook up gpu client tracing

android_webview/browser/aw_render_thread_context_provider.h

 // Copyright 2015 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 ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
 #include "cc/output/context_provider.h"
 #include "gpu/ipc/in_process_command_buffer.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/gpu/GrContext.h"
 
 namespace gl {
 class GLSurface;
 }
 
 namespace gpu {
 class GLInProcessContext;
-}
+namespace gles2 {
+class GLES2TraceImplementation;
+}  // namespace gles2
+}  // namespace gpu
 
 namespace android_webview {
 
 class AwRenderThreadContextProvider : public cc::ContextProvider {
  public:
   static scoped_refptr<AwRenderThreadContextProvider> Create(
       scoped_refptr<gl::GLSurface> surface,
       scoped_refptr<gpu::InProcessCommandBuffer::Service> service);
 
   // Gives the GL internal format that should be used for calling CopyTexImage2D
@@ skipping 16 matching lines @@
   void InvalidateGrContext(uint32_t state) override;
   base::Lock* GetLock() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
 
   void OnLostContext();
 
   base::ThreadChecker main_thread_checker_;
 
   std::unique_ptr<gpu::GLInProcessContext> context_;
+  std::unique_ptr<gpu::gles2::GLES2TraceImplementation> trace_impl_;
   sk_sp<class GrContext> gr_context_;
   std::unique_ptr<cc::ContextCacheController> cache_controller_;
 
   LostContextCallback lost_context_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(AwRenderThreadContextProvider);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_