Remove CreateGpuMemoryBufferFromClientId and plumbing

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 530 matching lines @@
     GLenum original_filter;
     GLenum filter;
     unsigned image_id;
     unsigned bound_image_id;
     TextureHint hint;
     ResourceType type;
     ResourceFormat format;
     SharedBitmapId shared_bitmap_id;
     SharedBitmap* shared_bitmap;
     std::unique_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer;
-    gfx::GpuMemoryBufferId gpu_memory_buffer_id;
 
    private:
     SynchronizationState synchronization_state_ = SYNCHRONIZED;
     bool needs_sync_token_ = false;
     TextureMailbox mailbox_;
 
     DISALLOW_COPY_AND_ASSIGN(Resource);
   };
   using ResourceMap = std::unordered_map<ResourceId, Resource>;
 
@@ skipping 98 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_