[Android WebView] Implement Ubercomp for Render Thread support

android_webview/native/aw_contents.h

Index: android_webview/native/aw_contents.h
diff --git a/android_webview/native/aw_contents.h b/android_webview/native/aw_contents.h
index 3227edff28a1434849dc6beb49b52f1647ff6c8c..679ebc8be1cdec1d78d65746b4aa95c8ee7923e7 100644
--- a/android_webview/native/aw_contents.h
+++ b/android_webview/native/aw_contents.h
@@ -37,7 +37,7 @@ class AwContentsContainer;
 class AwContentsClientBridge;
 class AwPdfExporter;
 class AwWebContentsDelegate;
-class HardwareRenderer;
+class HardwareRendererInterface;
 class PermissionRequestHandler;
 
 // Native side of java-class of same name.
@@ -227,7 +227,7 @@ class AwContents : public FindHelper::Listener,
   scoped_ptr<AwContents> pending_contents_;
   SharedRendererState shared_renderer_state_;
   BrowserViewRenderer browser_view_renderer_;
-  scoped_ptr<HardwareRenderer> hardware_renderer_;
+  scoped_ptr<HardwareRendererInterface> hardware_renderer_;
   scoped_ptr<AwPdfExporter> pdf_exporter_;
   scoped_ptr<PermissionRequestHandler> permission_request_handler_;