Mac: Suppress asserts about resources being in use

cc/resources/resource_provider.h

 // 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_RESOURCE_PROVIDER_H_
 #define CC_RESOURCES_RESOURCE_PROVIDER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 403 matching lines @@
   void CreateForTesting(ResourceId id);
 
   // Sets the current read fence. If a resource is locked for read
   // and has read fences enabled, the resource will not allow writes
   // until this fence has passed.
   void SetReadLockFence(Fence* fence) { current_read_lock_fence_ = fence; }
 
   // Indicates if we can currently lock this resource for write.
   bool CanLockForWrite(ResourceId id);
 
+  // Indicates if this resource is currently being used as an overlay by the
+  // windowing system.
+  // TODO(ccameron): This should be entirely hidden inside CanLockForWrite, but
+  // will erratically returns true, potentially breaking DCHECKs.
+  // http://crbug.com/577121
+  bool IsInUseByMacOSWindowServer(ResourceId id);
+
   // Indicates if this resource may be used for a hardware overlay plane.
   bool IsOverlayCandidate(ResourceId id);
 
   void WaitSyncTokenIfNeeded(ResourceId id);
 
   static GLint GetActiveTextureUnit(gpu::gles2::GLES2Interface* gl);
 
   OutputSurface* output_surface() { return output_surface_; }
 
   void ValidateResource(ResourceId id) const;
@@ skipping 181 matching lines @@
   // A process-unique ID used for disambiguating memory dumps from different
   // resource providers.
   int tracing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceProvider);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_