android: move overscroll effects to ui/

ui/android/overscroll_glow.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 CONTENT_BROWSER_ANDROID_OVERSCROLL_GLOW_H_
-#define CONTENT_BROWSER_ANDROID_OVERSCROLL_GLOW_H_
+#ifndef UI_ANDROID_OVERSCROLL_GLOW_H_
+#define UI_ANDROID_OVERSCROLL_GLOW_H_
 
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "content/browser/android/edge_effect_base.h"
+#include "ui/android/edge_effect_base.h"
+#include "ui/android/ui_android_export.h"
 #include "ui/gfx/geometry/size_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace cc {
 class Layer;
 }
 
-namespace content {
+namespace ui {
 
 // Provides lazy, customized EdgeEffect creation.
-class OverscrollGlowClient {
+class UI_ANDROID_EXPORT OverscrollGlowClient {
  public:
   virtual ~OverscrollGlowClient() {}
 
   // Called lazily, after the initial overscrolling event.
   virtual scoped_ptr<EdgeEffectBase> CreateEdgeEffect() = 0;
 };
 
 /* |OverscrollGlow| mirrors its Android counterpart, OverscrollGlow.java.
  * Conscious tradeoffs were made to align this as closely as possible with the
  * original Android Java version.
  */
-class OverscrollGlow {
+class UI_ANDROID_EXPORT OverscrollGlow {
  public:
   // |client| must be valid for the duration of the effect's lifetime.
   // The effect is enabled by default, but will remain dormant until the first
   // overscroll event.
   explicit OverscrollGlow(OverscrollGlowClient* client);
   ~OverscrollGlow();
 
   // Called when the root content layer overscrolls.
   // |accumulated_overscroll| and |overscroll_delta| are in device pixels, while
   // |velocity| is in device pixels / second.
@@ skipping 53 matching lines @@
   float edge_offsets_[EDGE_COUNT];
   bool initialized_;
   bool allow_horizontal_overscroll_;
   bool allow_vertical_overscroll_;
 
   scoped_refptr<cc::Layer> root_layer_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscrollGlow);
 };
 
-}  // namespace content
+}  // namespace ui
 
-#endif  // CONTENT_BROWSER_ANDROID_OVERSCROLL_GLOW_H_
+#endif  // UI_ANDROID_OVERSCROLL_GLOW_H_