aura: Gesture event plumbing (skeleton).

ash/tooltips/tooltip_controller.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 "ash/tooltips/tooltip_controller.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
@@ skipping 252 matching lines @@
   // touch events.
   // Hide the tooltip for touch events.
   if (tooltip_->IsVisible())
     tooltip_->Hide();
   if (tooltip_window_)
     tooltip_window_->RemoveObserver(this);
   tooltip_window_ = NULL;
   return ui::TOUCH_STATUS_UNKNOWN;
 }
 
+ui::GestureStatus TooltipController::PreHandleGestureEvent(
+    aura::Window* target,
+    aura::GestureEvent* event) {
+  return ui::GESTURE_STATUS_UNKNOWN;
+}
+
 void TooltipController::OnWindowDestroyed(aura::Window* window) {
   if (tooltip_window_ == window) {
     tooltip_window_->RemoveObserver(this);
     tooltip_window_ = NULL;
   }
 }
 
 void TooltipController::TooltipTimerFired() {
   UpdateIfRequired();
 }
@@ skipping 12 matching lines @@
       gfx::Point widget_loc = curr_mouse_loc_;
       widget_loc = widget_loc.Add(tooltip_window_->GetScreenBounds().origin());
       tooltip_->SetText(tooltip_text, widget_loc);
       tooltip_->Show();
     }
   }
 }
 
 }  // namespace internal
 }  // namespace ash