1 files changed, 37 insertions, 0 deletions
diff --git a/chromium/content/browser/compositor/resize_lock.h b/chromium/content/browser/compositor/resize_lock.h
new file mode 100644
index 00000000000..07acff33cf1
--- /dev/null
+++ b/chromium/content/browser/compositor/resize_lock.h
@@ -0,0 +1,37 @@
+// Copyright 2014 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_COMPOSITOR_RESIZE_LOCK_H_
+#define CONTENT_BROWSER_COMPOSITOR_RESIZE_LOCK_H_
+
+#include "base/basictypes.h"
+#include "content/common/content_export.h"
+#include "ui/gfx/size.h"
+
+namespace content {
+
+class CONTENT_EXPORT ResizeLock {
+ public:
+  virtual ~ResizeLock();
+
+  virtual bool GrabDeferredLock();
+  virtual void UnlockCompositor();
+
+  const gfx::Size& expected_size() const { return new_size_; }
+
+ protected:
+  ResizeLock(const gfx::Size new_size, bool defer_compositor_lock);
+
+  virtual void LockCompositor();
+
+ private:
+  gfx::Size new_size_;
+  bool defer_compositor_lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResizeLock);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_COMPOSITOR_RESIZE_LOCK_H_