blimp: Update page load status update indicator to use first paint.

content/browser/web_contents/web_contents_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/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 2363 matching lines @@
       static_cast<RenderWidgetHostViewBase*>(GetRenderWidgetHostView());
   if (rwhv) {
     SendPageMessage(new PageMsg_UpdateWindowScreenRect(
         MSG_ROUTING_NONE, rwhv->GetBoundsInRootWindow()));
   }
 
   if (browser_plugin_embedder_)
     browser_plugin_embedder_->DidSendScreenRects();
 }
 
+void WebContentsImpl::OnFirstPaintAfterLoad(
+    RenderWidgetHostImpl* render_widget_host) {
+  FOR_EACH_OBSERVER(WebContentsObserver, observers_,
+                    DidFirstPaintAfterLoad(render_widget_host));
+}
+
 BrowserAccessibilityManager*
     WebContentsImpl::GetRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->browser_accessibility_manager() : nullptr;
 }
 
 BrowserAccessibilityManager*
     WebContentsImpl::GetOrCreateRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->GetOrCreateBrowserAccessibilityManager() : nullptr;
@@ skipping 2665 matching lines @@
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content