Revert of gpu: Move ShaderDiskCache into //gpu/ipc/host component.

content/browser/gpu/gpu_process_host.h

 // Copyright (c) 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 CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 24 matching lines @@
 namespace base {
 class Thread;
 }
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 namespace gpu {
 struct GpuPreferences;
-class ShaderDiskCache;
 struct SyncToken;
 }
 
 namespace service_manager {
 class InterfaceProvider;
 }
 
 namespace content {
 class BrowserChildProcessHostImpl;
 class InProcessChildThreadParams;
+class ShaderDiskCache;
 
 typedef base::Thread* (*GpuMainThreadFactoryFunction)(
     const InProcessChildThreadParams&, const gpu::GpuPreferences&);
 
 class GpuProcessHost : public BrowserChildProcessHostDelegate,
                        public IPC::Sender,
                        public base::NonThreadSafe {
  public:
   enum GpuProcessKind {
     GPU_PROCESS_KIND_UNSANDBOXED,
@@ skipping 209 matching lines @@
 
   std::unique_ptr<BrowserChildProcessHostImpl> process_;
 
   // Track the URLs of the pages which have live offscreen contexts,
   // assumed to be associated with untrusted content such as WebGL.
   // For best robustness, when any context lost notification is
   // received, assume all of these URLs are guilty, and block
   // automatic execution of 3D content from those domains.
   std::multiset<GURL> urls_with_live_offscreen_contexts_;
 
-  typedef std::map<int32_t, scoped_refptr<gpu::ShaderDiskCache>>
+  typedef std::map<int32_t, scoped_refptr<ShaderDiskCache>>
       ClientIdToShaderCacheMap;
   ClientIdToShaderCacheMap client_id_to_shader_cache_;
 
   std::string shader_prefix_key_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_