Added RenderView.DocumentHasImages query method

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 9ea4705701cb7ec91d645f43dd3291fe8b191b07..a43d14cc5216b400f2a85be8b3d9cca4744552fa 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -611,6 +611,12 @@ 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) {
@@ -925,6 +931,8 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
                         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))
@@ -1852,4 +1860,12 @@ 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