Replace web_cache_messages.h with Mojo service.

components/web_cache/browser/web_cache_manager.h

 // Copyright (c) 2011 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.
 
 // This is the browser side of the cache manager, it tracks the activity of the
 // render processes and allocates available memory cache resources.
 
 #ifndef COMPONENTS_WEB_CACHE_BROWSER_WEB_CACHE_MANAGER_H_
 #define COMPONENTS_WEB_CACHE_BROWSER_WEB_CACHE_MANAGER_H_
 
 #include <stddef.h>
 
 #include <list>
 #include <map>
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
+#include "components/web_cache/public/interfaces/web_cache.mojom.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace base {
 template<typename Type>
 struct DefaultSingletonTraits;
 }  // namespace base
 
 class PrefRegistrySimple;
 
@@ skipping 101 matching lines @@
   typedef std::map<int, RendererInfo> StatsMap;
 
   // An allocation is the number of bytes a specific renderer should use for
   // its cache.
   typedef std::pair<int,uint64_t> Allocation;
 
   // An allocation strategy is a list of allocations specifying the resources
   // each renderer is permitted to consume for its cache.
   typedef std::list<Allocation> AllocationStrategy;
 
+  // The key is the unique id of every render process host.
+  typedef std::map<int, mojom::WebCachePtr> WebCacheServicesMap;
+
   // This class is a singleton.  Do not instantiate directly.
   WebCacheManager();
   friend struct base::DefaultSingletonTraits<WebCacheManager>;
 
   ~WebCacheManager() override;
 
   // Recomputes the allocation of cache resources among the renderers.  Also
   // informs the renderers of their new allocation.
   void ReviseAllocationStrategy();
 
@@ skipping 97 matching lines @@
   //
   // Active renderers are those renderers that have been active more recently
   // than they have been inactive.
   std::set<int> active_renderers_;
   // Inactive renderers are those renderers that have been inactive more
   // recently than they have been active.
   std::set<int> inactive_renderers_;
 
   content::NotificationRegistrar registrar_;
 
+  // Maps every renderer_id with its corresponding mojom::WebCachePtr.
+  WebCacheServicesMap web_cache_services_;
+
   base::WeakPtrFactory<WebCacheManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebCacheManager);
 };
 
 }  // namespace web_cache
 
 #endif  // COMPONENTS_WEB_CACHE_BROWSER_WEB_CACHE_MANAGER_H_