events: Change gesture-event handler in EventHandler to not return any values.

ui/aura/gestures/gesture_recognizer_unittest.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 "base/memory/scoped_vector.h"
 #include "base/run_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/env.h"
@@ skipping 158 matching lines @@
   const gfx::Rect& bounding_box() const { return bounding_box_; }
   int tap_count() const { return tap_count_; }
 
   void WaitUntilReceivedGesture(ui::EventType type) {
     wait_until_event_ = type;
     run_loop_.reset(new base::RunLoop(
         Env::GetInstance()->GetDispatcher()));
     run_loop_->Run();
   }
 
-  virtual ui::EventResult OnGestureEvent(
-      ui::GestureEvent* gesture) OVERRIDE {
+  virtual void OnGestureEvent(ui::GestureEvent* gesture) OVERRIDE {
     events_.push_back(gesture->type());
     bounding_box_ = gesture->details().bounding_box();
     switch (gesture->type()) {
       case ui::ET_GESTURE_TAP:
         tap_location_ = gesture->location();
         tap_count_ = gesture->details().tap_count();
         tap_ = true;
         break;
       case ui::ET_GESTURE_TAP_DOWN:
         tap_down_ = true;
@@ skipping 58 matching lines @@
         swipe_up_ = gesture->details().swipe_up();
         swipe_down_ = gesture->details().swipe_down();
         break;
       default:
         NOTREACHED();
     }
     if (wait_until_event_ == gesture->type() && run_loop_.get()) {
       run_loop_->Quit();
       wait_until_event_ = ui::ET_UNKNOWN;
     }
-    return ui::ER_CONSUMED;
+    gesture->StopPropagation();
   }
 
  private:
   scoped_ptr<base::RunLoop> run_loop_;
   std::vector<ui::EventType> events_;
 
   bool tap_;
   bool tap_down_;
   bool tap_cancel_;
   bool begin_;
@@ skipping 2746 matching lines @@
       press1.time_stamp() + base::TimeDelta::FromMilliseconds(40));
   root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&move4);
   EXPECT_TRUE(delegate->scroll_update());
   EXPECT_EQ(-1, delegate->scroll_y());
 
   delegate->Reset();
 }
 
 }  // namespace test
 }  // namespace aura