Update from https://crrev.com/311076

gpu/blink/webgraphicscontext3d_in_process_command_buffer_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 GPU_BLINK_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
+#define GPU_BLINK_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
+
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "gpu/blink/gpu_blink_export.h"
+#include "gpu/blink/webgraphicscontext3d_impl.h"
+#include "gpu/command_buffer/client/gl_in_process_context.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace gpu {
+class ContextSupport;
+class GLInProcessContext;
+
+namespace gles2 {
+class GLES2Interface;
+class GLES2Implementation;
+struct ContextCreationAttribHelper;
+}
+}
+
+namespace gpu_blink {
+
+class GPU_BLINK_EXPORT WebGraphicsContext3DInProcessCommandBufferImpl
+    : public WebGraphicsContext3DImpl {
+ public:
+  enum MappedMemoryReclaimLimit {
+    kNoLimit = 0,
+  };
+
+  static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
+      CreateViewContext(
+          const blink::WebGraphicsContext3D::Attributes& attributes,
+          bool lose_context_when_out_of_memory,
+          gfx::AcceleratedWidget window);
+
+  static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
+      CreateOffscreenContext(
+          const blink::WebGraphicsContext3D::Attributes& attributes,
+          bool lose_context_when_out_of_memory);
+
+  static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
+      WrapContext(
+          scoped_ptr< ::gpu::GLInProcessContext> context,
+          const blink::WebGraphicsContext3D::Attributes& attributes);
+
+  virtual ~WebGraphicsContext3DInProcessCommandBufferImpl();
+
+  size_t GetMappedMemoryLimit();
+
+  bool InitializeOnCurrentThread();
+
+  //----------------------------------------------------------------------
+  // WebGraphicsContext3D methods
+  virtual bool isContextLost();
+
+  virtual WGC3Denum getGraphicsResetStatusARB();
+
+  ::gpu::ContextSupport* GetContextSupport();
+
+  ::gpu::gles2::GLES2Implementation* GetImplementation() {
+    return real_gl_;
+  }
+
+ private:
+  WebGraphicsContext3DInProcessCommandBufferImpl(
+      scoped_ptr< ::gpu::GLInProcessContext> context,
+      const blink::WebGraphicsContext3D::Attributes& attributes,
+      bool lose_context_when_out_of_memory,
+      bool is_offscreen,
+      gfx::AcceleratedWidget window);
+
+  void OnContextLost();
+
+  bool MaybeInitializeGL();
+
+  // Used to try to find bugs in code that calls gl directly through the gl api
+  // instead of going through WebGraphicsContext3D.
+  void ClearContext();
+
+  ::gpu::gles2::ContextCreationAttribHelper attribs_;
+  bool share_resources_;
+  bool webgl_context_;
+
+  bool is_offscreen_;
+  // Only used when not offscreen.
+  gfx::AcceleratedWidget window_;
+
+  // The context we use for OpenGL rendering.
+  scoped_ptr< ::gpu::GLInProcessContext> context_;
+  // The GLES2Implementation we use for OpenGL rendering.
+  ::gpu::gles2::GLES2Implementation* real_gl_;
+};
+
+}  // namespace gpu_blink
+
+#endif  // GPU_BLINK_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_