[Android WebView] Implement the capture picture API.

android_webview/browser/renderer_host/aw_render_view_host_ext.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 "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
 
 #include "android_webview/common/render_view_messages.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 43 matching lines @@
   Send(new AwViewMsg_DoHitTest(web_contents()->GetRoutingID(),
                                view_x,
                                view_y));
 }
 
 const AwHitTestData& AwRenderViewHostExt::GetLastHitTestData() const {
   DCHECK(CalledOnValidThread());
   return last_hit_test_data_;
 }
 
+void AwRenderViewHostExt::EnableCapturePictureCallback(bool enabled) {
+  Send(new AwViewMsg_EnableCapturePictureCallback(
+      web_contents()->GetRoutingID(), enabled));
+}
+
 void AwRenderViewHostExt::RenderViewGone(base::TerminationStatus status) {
   DCHECK(CalledOnValidThread());
   for (std::map<int, DocumentHasImagesResult>::iterator pending_req =
            pending_document_has_images_requests_.begin();
        pending_req != pending_document_has_images_requests_.end();
       ++pending_req) {
     pending_req->second.Run(false);
   }
 }
 
@@ skipping 31 matching lines @@
   last_hit_test_data_ = hit_test_data;
   has_new_hit_test_data_ = true;
 }
 
 void AwRenderViewHostExt::OnPictureUpdated() {
   if (client_)
     client_->OnPictureUpdated(web_contents()->GetRenderProcessHost()->GetID(),
                               routing_id());
 }
 
+void AwRenderViewHostExt::CapturePictureSync() {
+  Send(new AwViewMsg_CapturePictureSync(web_contents()->GetRoutingID()));
+}
+
 }  // namespace android_webview