Eliminate ash::internal namespace

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 130 matching lines @@
   }
 
   void Complete() {
     Step(start_time() + base::TimeDelta::FromMilliseconds(duration_));
   }
 
  private:
   int duration_;
 };
 
-class TestDragDropController : public internal::DragDropController {
+class TestDragDropController : public DragDropController {
  public:
-  TestDragDropController() : internal::DragDropController() {
-    Reset();
-  }
+  TestDragDropController() : DragDropController() { Reset(); }
 
   void Reset() {
     drag_start_received_ = false;
     num_drag_updates_ = 0;
     drop_received_ = false;
     drag_canceled_ = false;
     drag_string_.clear();
   }
 
   virtual int StartDragAndDrop(
@@ skipping 160 matching lines @@
     drag_drop_controller_->drag_source_window_ = drag_source_window;
     drag_source_window->AddObserver(drag_drop_controller_.get());
   }
 
   aura::Window* GetDragImageWindow() {
     return drag_drop_controller_->drag_image_.get() ?
         drag_drop_controller_->drag_image_->GetWidget()->GetNativeWindow() :
         NULL;
   }
 
-  internal::DragDropTracker* drag_drop_tracker() {
+  DragDropTracker* drag_drop_tracker() {
     return drag_drop_controller_->drag_drop_tracker_.get();
   }
 
   void CompleteCancelAnimation() {
     CompletableLinearAnimation* animation =
         static_cast<CompletableLinearAnimation*>(
             drag_drop_controller_->cancel_animation_.get());
     animation->Complete();
   }
 
@@ skipping 733 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