Expose the capturePicture feature in RenderView for Android WebView legacy API support.

content/renderer/render_widget.cc

 // 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.
 
 #include "content/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 1353 matching lines @@
 
   WillInitiatePaint();
 }
 
 void RenderWidget::didBecomeReadyForAdditionalInput() {
   TRACE_EVENT0("renderer", "RenderWidget::didBecomeReadyForAdditionalInput");
   if (pending_input_event_ack_.get())
     Send(pending_input_event_ack_.release());
 }
 
+void RenderWidget::DidCommitCompositorFrame() {
+}
+
 void RenderWidget::didCommitAndDrawCompositorFrame() {
   TRACE_EVENT0("gpu", "RenderWidget::didCommitAndDrawCompositorFrame");
   // Accelerated FPS tick for performance tests. See throughput_tests.cc.
   // NOTE: Tests may break if this event is renamed or moved.
   UNSHIPPED_TRACE_EVENT_INSTANT0("test_fps", "TestFrameTickGPU");
   // Notify subclasses that we initiated the paint operation.
   DidInitiatePaint();
 }
 
 void RenderWidget::didCompleteSwapBuffers() {
@@ skipping 732 matching lines @@
 bool RenderWidget::WillHandleGestureEvent(
     const WebKit::WebGestureEvent& event) {
   return false;
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   return true;
 }
 
 }  // namespace content