Make browser_handles_top_level_requests synchronous.

content/browser/tab_contents/tab_contents.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/tab_contents/tab_contents.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 2308 matching lines @@
     FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                       DidOpenRequestedURL(new_contents,
                                           url,
                                           referrer,
                                           disposition,
                                           transition_type,
                                           source_frame_id));
   }
 }
 
+bool WebContentsImpl::ShouldIgnoreNavigation(
+    const GURL& url,
+    const content::Referrer& referrer,
+    WindowOpenDisposition disposition,
+    int64 source_frame_id,
+    bool is_content_initiated) {
+  if (!delegate_)
+    return false;
+  content::PageTransition transition_type = content::PAGE_TRANSITION_LINK;
+  NavigationEntry* active_navigation_entry = controller_.GetActiveEntry();
+  if (active_navigation_entry) {
+    transition_type = active_navigation_entry->GetTransitionType();
+  }
+  return delegate_->ShouldIgnoreNavigation(
+      this, url, referrer, disposition, is_content_initiated, transition_type);
+}
+
 void WebContentsImpl::RunJavaScriptMessage(
     RenderViewHost* rvh,
     const string16& message,
     const string16& default_prompt,
     const GURL& frame_url,
     ui::JavascriptMessageType javascript_message_type,
     IPC::Message* reply_msg,
     bool* did_suppress_message) {
   // Suppress JavaScript dialogs when requested. Also suppress messages when
   // showing an interstitial as it's shown over the previous page and we don't
@@ skipping 274 matching lines @@
 void WebContentsImpl::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(GetView()->GetContainerSize());
 }
 
 RenderViewHostImpl* WebContentsImpl::GetRenderViewHostImpl() {
   return static_cast<RenderViewHostImpl*>(GetRenderViewHost());
 }