Fixes for -Wunused-function on Linux, Android and ChromeOS

ash/drag_drop/drag_drop_controller_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 "ash/drag_drop/drag_drop_controller.h"
 
 #include "ash/drag_drop/drag_drop_tracker.h"
 #include "ash/drag_drop/drag_image_view.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 269 matching lines @@
       location.x(),
       location.y(),
       0,
       ui::EventTimeForNow(),
       ui::GestureEventDetails(gesture_type, 0, 0),
       1);
   Shell::GetPrimaryRootWindow()->GetDispatcher()->DispatchGestureEvent(
       &gesture_event);
 }
 
-bool IsGestureEventType(ui::EventType type) {
-  switch (type) {
-    case ui::ET_GESTURE_SCROLL_BEGIN:
-    case ui::ET_GESTURE_SCROLL_END:
-    case ui::ET_GESTURE_SCROLL_UPDATE:
-    case ui::ET_GESTURE_TAP:
-    case ui::ET_GESTURE_TAP_CANCEL:
-    case ui::ET_GESTURE_TAP_DOWN:
-    case ui::ET_GESTURE_BEGIN:
-    case ui::ET_GESTURE_END:
-    case ui::ET_GESTURE_TWO_FINGER_TAP:
-    case ui::ET_GESTURE_PINCH_BEGIN:
-    case ui::ET_GESTURE_PINCH_END:
-    case ui::ET_GESTURE_PINCH_UPDATE:
-    case ui::ET_GESTURE_LONG_PRESS:
-    case ui::ET_GESTURE_LONG_TAP:
-    case ui::ET_GESTURE_MULTIFINGER_SWIPE:
-    case ui::ET_SCROLL_FLING_CANCEL:
-    case ui::ET_SCROLL_FLING_START:
-      return true;
-    default:
-      break;
-  }
-  return false;
-}
-
 }  // namespace
 
 class DragDropControllerTest : public AshTestBase {
  public:
   DragDropControllerTest() : AshTestBase() {}
   virtual ~DragDropControllerTest() {}
 
   virtual void SetUp() OVERRIDE {
     AshTestBase::SetUp();
     drag_drop_controller_.reset(new TestDragDropController);
@@ skipping 774 matching lines @@
     EXPECT_EQ("405,405", observer.window_location_on_destroying().ToString());
   }
   for (aura::Window::Windows::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter) {
     aura::client::SetDragDropClient(*iter, NULL);
   }
 }
 
 }  // namespace test
 }  // namespace aura