Reland https://chromiumcodereview.appspot.com/14286004 which was reverted fue

ui/views/view.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.
 
 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first.
 
 #include "ui/views/view.h"
 
 #include <algorithm>
 #include <cmath>
 
-#include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "ui/base/accessibility/accessibility_types.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
-#include "ui/base/ui_base_switches.h"
+#include "ui/base/ui_base_switches_util.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/interpolated_transform.h"
 #include "ui/gfx/path.h"
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/skia_util.h"
@@ skipping 68 matching lines @@
 
 namespace internal {
 
 // This event handler receives events in the post-target phase and takes care of
 // the following:
 //   - Generates context menu, or initiates drag-and-drop, from gesture events.
 class PostEventDispatchHandler : public ui::EventHandler {
  public:
   explicit PostEventDispatchHandler(View* owner)
       : owner_(owner),
-        touch_dnd_enabled_(CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableTouchDragDrop)) {
+        touch_dnd_enabled_(switches::IsTouchDragDropEnabled()) {
   }
   virtual ~PostEventDispatchHandler() {}
 
  private:
   // Overridden from ui::EventHandler:
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     DCHECK_EQ(ui::EP_POSTTARGET, event->phase());
     if (event->handled())
       return;
 
@@ skipping 2152 matching lines @@
   ConvertPointToWidget(this, &widget_location);
   GetWidget()->RunShellDrag(this, data, widget_location, drag_operations,
       source);
   return true;
 #else
   return false;
 #endif  // !defined(OS_MACOSX)
 }
 
 }  // namespace views