Fixing flaky overscroll and touch exploration mode browser tests.

ui/aura/window_event_dispatcher.cc

 // Copyright 2014 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 "ui/aura/window_event_dispatcher.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 176 matching lines @@
     // another one may not be safe/expected.  Instead we post a task, that we
     // may cancel if HoldPointerMoves is called again before it executes.
     base::MessageLoop::current()->PostNonNestableTask(
         FROM_HERE, base::Bind(
           base::IgnoreResult(&WindowEventDispatcher::DispatchHeldEvents),
           held_event_factory_.GetWeakPtr()));
   }
   TRACE_EVENT_ASYNC_END0("ui", "WindowEventDispatcher::HoldPointerMoves", this);
 }
 
+bool WindowEventDispatcher::HoldingPointerMovesForTesting() {
+  return move_hold_count_ > 0;
+}
+
 gfx::Point WindowEventDispatcher::GetLastMouseLocationInRoot() const {
   gfx::Point location = Env::GetInstance()->last_mouse_location();
   client::ScreenPositionClient* client =
       client::GetScreenPositionClient(window());
   if (client)
     client->ConvertPointFromScreen(window(), &location);
   return location;
 }
 
 void WindowEventDispatcher::OnHostLostMouseGrab() {
@@ skipping 636 matching lines @@
       break;
 
     default:
       NOTREACHED();
       break;
   }
   PreDispatchLocatedEvent(target, event);
 }
 
 }  // namespace aura