Reset gesture detection upon page navigation for Aura

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 <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 2586 matching lines @@
     const LoadCommittedDetails& details,
     const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
   if (details.is_navigation_to_different_page()) {
     // Clear the status bubble. This is a workaround for a bug where WebKit
     // doesn't let us know that the cursor left an element during a
     // transition (this is also why the mouse cursor remains as a hand after
     // clicking on a link); see bugs 1184641 and 980803. We don't want to
     // clear the bubble when a user navigates to a named anchor in the same
     // page.
     UpdateTargetURL(render_frame_host->GetRenderViewHost(), GURL());
+
+    // Cancel all the active touch events on the main frame to prevent they

[jdduke (slow), 2015/01/30 18:49:48]

Let's leave this comment out.

[lanwei, 2015/02/04 21:10:05]

Done.

+    // are passed to the navigated page.
+    RenderWidgetHostView* rwhv = GetRenderWidgetHostView();
+    if (rwhv)
+      rwhv->OnMainFrameNavigation();

[jdduke (slow), 2015/01/30 18:49:48]

I don't have a strong opinion on the wording here, maybe
|OnDidNavigateMainFrameToNewPage| to differentiate it from the observer methods?
I'll defer to thoughts from owners.

[lanwei, 2015/02/04 21:10:05]

Done.

   }
 
   if (!details.is_in_page) {
     // Once the main frame is navigated, we're no longer considered to have
     // displayed insecure content.
     displayed_insecure_content_ = false;
     SSLManager::NotifySSLInternalStateChanged(
         GetController().GetBrowserContext());
   }
 
@@ skipping 1790 matching lines @@
   node->render_manager()->ResumeResponseDeferredAtStart();
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content