Add mojom module suffix in .mojom files in content.

content/renderer/dom_storage/local_storage_cached_areas.h

 // Copyright 2016 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_RENDERER_DOM_STORAGE_LOCAL_STORAGE_CACHED_AREAS_H_
 #define CONTENT_RENDERER_DOM_STORAGE_LOCAL_STORAGE_CACHED_AREAS_H_
 
 #include <map>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "url/origin.h"
 
 namespace content {
 class LocalStorageCachedArea;
+
+namespace mojom {
 class StoragePartitionService;
+}
 
 // Keeps a map of all the LocalStorageCachedArea objects in a renderer. This is
 // needed because we can have n LocalStorageArea objects for the same origin but
 // we want just one LocalStorageCachedArea to service them (no point in having
 // multiple caches of the same data in the same process).
 class LocalStorageCachedAreas {
  public:
   explicit LocalStorageCachedAreas(
-      StoragePartitionService* storage_partition_service);
+      mojom::StoragePartitionService* storage_partition_service);
   ~LocalStorageCachedAreas();
 
   // Returns, creating if necessary, a cached storage area for the given origin.
   scoped_refptr<LocalStorageCachedArea>
       GetCachedArea(const url::Origin& origin);
 
   // Called by LocalStorageCachedArea on destruction.
   void CacheAreaClosed(LocalStorageCachedArea* cached_area);
 
  private:
-  StoragePartitionService* const storage_partition_service_;
+  mojom::StoragePartitionService* const storage_partition_service_;
 
   // Maps from an origin to its LocalStorageCachedArea object. The object owns
   // itself.
   std::map<url::Origin, LocalStorageCachedArea*> cached_areas_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalStorageCachedAreas);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DOM_STORAGE_LOCAL_STORAGE_CACHED_AREAS_H_