Migrate ui::Transform to gfx::Transform

ui/base/events/event.h

 // 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.
 
 #ifndef UI_BASE_EVENTS_EVENT_H_
 #define UI_BASE_EVENTS_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
 #include "base/logging.h"
 #include "base/time.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/events/event_constants.h"
 #include "ui/base/gestures/gesture_types.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/ui_export.h"
 #include "ui/gfx/point.h"
 
+namespace gfx {
+class Transform;
+}
+
 namespace ui {
-class Transform;
 class EventTarget;
 
 class UI_EXPORT Event {
  public:
   virtual ~Event();
 
   class DispatcherApi {
    public:
     explicit DispatcherApi(Event* event) : event_(event) {}
 
@@ skipping 181 matching lines @@
 
   bool valid_system_location() const { return valid_system_location_; }
   void set_system_location(const gfx::Point& loc) {
     valid_system_location_ = true;
     system_location_ = loc;
   }
   const gfx::Point& system_location() const { return system_location_; }
 
   // Applies |root_transform| to the event.
   // This is applied to both |location_| and |root_location_|.
-  virtual void UpdateForRootTransform(const Transform& root_transform);
+  virtual void UpdateForRootTransform(const gfx::Transform& root_transform);
 
   template <class T> void ConvertLocationToTarget(T* source, T* target) {
     if (target && target != source)
       T::ConvertPointToTarget(source, target, &location_);
   }
 
  protected:
   explicit LocatedEvent(const base::NativeEvent& native_event);
 
   // Create a new LocatedEvent which is identical to the provided model.
@@ skipping 185 matching lines @@
   // generates the events need to be remapped to a surface of a different
   // size. |from| is the size of the native surface, and |to| is the size
   // of the target surface.
   void CalibrateLocation(const gfx::Size& from, const gfx::Size& to);
 
   // Used for unit tests.
   void set_radius_x(const float r) { radius_x_ = r; }
   void set_radius_y(const float r) { radius_y_ = r; }
 
   // Overridden from LocatedEvent.
-  virtual void UpdateForRootTransform(const Transform& root_transform) OVERRIDE;
+  virtual void UpdateForRootTransform(
+      const gfx::Transform& root_transform) OVERRIDE;
 
  protected:
   void set_radius(float radius_x, float radius_y) {
     radius_x_ = radius_x;
     radius_y_ = radius_y;
   }
 
   void set_rotation_angle(float rotation_angle) {
     rotation_angle_ = rotation_angle;
   }
@@ skipping 193 matching lines @@
   // This value is stored as a bitfield because the number of touch ids varies,
   // but we currently don't need more than 32 touches at a time.
   const unsigned int touch_ids_bitfield_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureEvent);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_EVENTS_EVENT_H_