[Android WebView] Implement Ubercomp for Render Thread support

android_webview/browser/hardware_renderer_legacy.h

+// Copyright 2014 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_HARDWARE_RENDERER_LEGACY_H_
+#define ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_LEGACY_H_
+
+#include "android_webview/browser/hardware_renderer_interface.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+
+struct AwDrawGLInfo;
+
+namespace android_webview {
+
+class AwGLSurface;
+class SharedRendererState;
+struct DrawGLInput;
+
+class HardwareRendererLegacy : public HardwareRendererInterface {
+ public:
+  explicit HardwareRendererLegacy(SharedRendererState* state);
+  virtual ~HardwareRendererLegacy();
+
+  virtual bool DrawGL(bool stencil_enabled,
+                      int framebuffer_binding_ext,
+                      AwDrawGLInfo* draw_info,
+                      DrawGLResult* result) OVERRIDE;
+
+ private:
+  void SetCompositorMemoryPolicy();
+
+  SharedRendererState* shared_renderer_state_;
+  scoped_ptr<DrawGLInput> draw_gl_input_;
+
+  typedef void* EGLContext;
+  EGLContext last_egl_context_;
+
+  scoped_refptr<AwGLSurface> gl_surface_;
+
+  DISALLOW_COPY_AND_ASSIGN(HardwareRendererLegacy);
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_LEGACY_H_