Added RenderView.DocumentHasImages query method

content/browser/renderer_host/render_view_host_impl.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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 593 matching lines @@
 void RenderViewHostImpl::DesktopNotificationPostClose(int notification_id,
                                                       bool by_user) {
   Send(new DesktopNotificationMsg_PostClose(
       GetRoutingID(), notification_id, by_user));
 }
 
 void RenderViewHostImpl::DesktopNotificationPostClick(int notification_id) {
   Send(new DesktopNotificationMsg_PostClick(GetRoutingID(), notification_id));
 }
 
+int RenderViewHostImpl::DocumentHasImages() {
+  static int next_id = 1;
+  Send(new ViewMsg_DocumentHasImages(GetRoutingID(), next_id));
+  return next_id++;
+}
+
 void RenderViewHostImpl::ExecuteJavascriptInWebFrame(
     const string16& frame_xpath,
     const string16& jscript) {
   Send(new ViewMsg_ScriptEvalRequest(GetRoutingID(), frame_xpath, jscript,
                                      0, false));
 }
 
 int RenderViewHostImpl::ExecuteJavascriptInWebFrameNotifyResult(
     const string16& frame_xpath,
     const string16& jscript) {
@@ skipping 294 matching lines @@
     IPC_MESSAGE_HANDLER(DesktopNotificationHostMsg_Cancel,
                         OnCancelDesktopNotification)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowPopup, OnMsgShowPopup)
 #endif
     IPC_MESSAGE_HANDLER(ViewHostMsg_RunFileChooser, OnRunFileChooser)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DomOperationResponse,
                         OnDomOperationResponse)
     IPC_MESSAGE_HANDLER(AccessibilityHostMsg_Notifications,
                         OnAccessibilityNotifications)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_DocumentHasImagesResponse,
+                        OnDocumentHasImagesResponse)
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(
         handled = RenderWidgetHostImpl::OnMessageReceived(msg))
   IPC_END_MESSAGE_MAP_EX()
 
   if (!msg_is_ok) {
     // The message had a handler, but its de-serialization failed.
     // Kill the renderer.
     content::RecordAction(UserMetricsAction("BadMessageTerminate_RVH"));
     GetProcess()->ReceivedBadMessage();
@@ skipping 907 matching lines @@
   // beforeunload or unload acks.  We clear them here to be safe, since they
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
+void RenderViewHostImpl::OnDocumentHasImagesResponse(int id, bool has_images) {
+  std::pair<int, bool> details(id, has_images);
+  content::NotificationService::current()->Notify(
+      content::NOTIFICATION_DOCUMENT_HAS_IMAGES_RESPONSE,
+      content::Source<RenderViewHost>(this),
+      content::Details<std::pair<int, bool> >(&details));
+}
+
 }  // namespace content