1 files changed, 60 insertions, 0 deletions
diff --git a/chromium/cc/resources/image_layer_updater.h b/chromium/cc/resources/image_layer_updater.h
new file mode 100644
index 00000000000..44e541d77be
--- /dev/null
+++ b/chromium/cc/resources/image_layer_updater.h
@@ -0,0 +1,60 @@
+// Copyright 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 CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
+#define CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
+
+#include "cc/base/cc_export.h"
+#include "cc/resources/layer_updater.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace cc {
+
+class ResourceUpdateQueue;
+
+class CC_EXPORT ImageLayerUpdater : public LayerUpdater {
+ public:
+  class Resource : public LayerUpdater::Resource {
+   public:
+    Resource(ImageLayerUpdater* updater,
+             scoped_ptr<PrioritizedResource> texture);
+    virtual ~Resource();
+
+    virtual void Update(ResourceUpdateQueue* queue,
+                        gfx::Rect source_rect,
+                        gfx::Vector2d dest_offset,
+                        bool partial_update) OVERRIDE;
+
+   private:
+    ImageLayerUpdater* updater_;
+
+    DISALLOW_COPY_AND_ASSIGN(Resource);
+  };
+
+  static scoped_refptr<ImageLayerUpdater> Create();
+
+  virtual scoped_ptr<LayerUpdater::Resource> CreateResource(
+      PrioritizedResourceManager*) OVERRIDE;
+
+  void UpdateTexture(ResourceUpdateQueue* queue,
+                     PrioritizedResource* texture,
+                     gfx::Rect source_rect,
+                     gfx::Vector2d dest_offset,
+                     bool partial_update);
+
+  void SetBitmap(const SkBitmap& bitmap);
+  bool UsingBitmap(const SkBitmap& bitmap) const;
+
+ private:
+  ImageLayerUpdater() {}
+  virtual ~ImageLayerUpdater() {}
+
+  SkBitmap bitmap_;
+
+  DISALLOW_COPY_AND_ASSIGN(ImageLayerUpdater);
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_IMAGE_LAYER_UPDATER_H_