cc: Remove ScopedReadLockGpuMemoryBuffer

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 365 matching lines @@
     ResourceProvider* resource_provider_;
     ResourceId resource_id_;
     ResourceFormat format_;
     gfx::Size size_;
     std::unique_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer_;
     base::ThreadChecker thread_checker_;
 
     DISALLOW_COPY_AND_ASSIGN(ScopedWriteLockGpuMemoryBuffer);
   };
 
-  class CC_EXPORT ScopedReadLockGpuMemoryBuffer {
-   public:
-    ScopedReadLockGpuMemoryBuffer(ResourceProvider* resource_provider,
-                                  ResourceId resource_id);
-    ~ScopedReadLockGpuMemoryBuffer();
-
-    ResourceId resource_id() const { return resource_id_; }
-
-    // This may return nullptr.
-    gfx::GpuMemoryBuffer* gpu_memory_buffer() const {
-      return gpu_memory_buffer_;
-    }
-
-    // This returns the GL texture that is backed by a GL image bound to the
-    // resource's GpuMemoryBuffer.
-    unsigned texture_id() const { return texture_id_; }
-
-   private:
-    ResourceProvider* resource_provider_;
-    ResourceId resource_id_;
-    gfx::GpuMemoryBuffer* gpu_memory_buffer_;
-    unsigned texture_id_;
-    base::ThreadChecker thread_checker_;
-
-    DISALLOW_COPY_AND_ASSIGN(ScopedReadLockGpuMemoryBuffer);
-  };
-
   class Fence : public base::RefCounted<Fence> {
    public:
     Fence() {}
 
     virtual void Set() = 0;
     virtual bool HasPassed() = 0;
     virtual void Wait() = 0;
 
    protected:
     friend class base::RefCounted<Fence>;
@@ skipping 204 matching lines @@
            resource->read_lock_fence->HasPassed();
   }
 
   ResourceId CreateGLTexture(const gfx::Size& size,
                              TextureHint hint,
                              ResourceType type,
                              ResourceFormat format);
   ResourceId CreateBitmap(const gfx::Size& size);
   Resource* InsertResource(ResourceId id, Resource resource);
   Resource* GetResource(ResourceId id);
-  const Resource* LockForRead(ResourceId id, bool create_gpu_memory_buffer);
+  const Resource* LockForRead(ResourceId id);
   void UnlockForRead(ResourceId id);
   Resource* LockForWrite(ResourceId id);
   void UnlockForWrite(Resource* resource);
 
   static void PopulateSkBitmapWithResource(SkBitmap* sk_bitmap,
                                            const Resource* resource);
 
   void CreateMailboxAndBindResource(gpu::gles2::GLES2Interface* gl,
                                     Resource* resource);
 
@@ skipping 61 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_