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

ui/views/widget/widget_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/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 109 matching lines @@
 };
 
 // A view that does a capture on gesture-begin events.
 class GestureCaptureView : public View {
  public:
   GestureCaptureView() {}
   virtual ~GestureCaptureView() {}
 
  private:
   // Overridden from View:
-  virtual ui::EventResult OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
+  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     if (event->type() == ui::ET_GESTURE_BEGIN) {
       GetWidget()->SetCapture(this);
-      return ui::ER_CONSUMED;
+      event->StopPropagation();
     }
-    return ui::ER_UNHANDLED;
   }
 
   DISALLOW_COPY_AND_ASSIGN(GestureCaptureView);
 };
 
 typedef ViewsTestBase WidgetTest;
 
 NativeWidget* CreatePlatformNativeWidget(
     internal::NativeWidgetDelegate* delegate) {
   return new NativeWidgetPlatformForTest(delegate);
@@ skipping 851 matching lines @@
   EXPECT_TRUE(toplevel->OnKeyEvent(backspace_p));
   ui::KeyEvent backspace_r(ui::ET_KEY_RELEASED, ui::VKEY_DELETE, 0, false);
   EXPECT_FALSE(toplevel->OnKeyEvent(backspace_r));
 
   toplevel->Close();
 }
 #endif  // defined(USE_AURA)
 
 }  // namespace
 }  // namespace views