ui: Rework CompositorResizeLock interaction with DelegatedFrameHost

content/browser/renderer_host/compositor_resize_lock.h

 // 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_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 28 matching lines @@
 
   // Returns |true| if the call locks the compositor, or false if it was ever
   // locked/unlocked.
   bool Lock();
 
   // Releases the lock on the compositor without releasing the whole resize
   // lock. The client is not told about this. If called before locking, it will
   // prevent locking from happening.
   void UnlockCompositor();
 
+  bool timed_out() const { return timed_out_; }
+
   const gfx::Size& expected_size() const { return expected_size_; }
 
  private:
   // ui::CompositorLockClient implementation.
   void CompositorLockTimedOut() override;
 
   CompositorResizeLockClient* client_;
   const gfx::Size expected_size_;
   std::unique_ptr<ui::CompositorLock> compositor_lock_;
   bool unlocked_ = false;
+  bool timed_out_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorResizeLock);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_