aw: Remove legacy rendering path

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_