Enable component build for browser_context_keyed_service.

components/browser_context_keyed_service/browser_context_dependency_manager.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 COMPONENTS_BROWSER_CONTEXT_KEYED_SERVICE_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_
 #define COMPONENTS_BROWSER_CONTEXT_KEYED_SERVICE_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_
 
 #include "base/memory/singleton.h"
+#include "components/browser_context_keyed_service/browser_context_keyed_service_export.h"
 #include "components/browser_context_keyed_service/dependency_graph.h"
 
 #ifndef NDEBUG
 #include <set>
 #endif
 
 class BrowserContextKeyedBaseFactory;
 
 namespace content {
 class BrowserContext;
 }
 
 // A singleton that listens for context destruction notifications and
 // rebroadcasts them to each BrowserContextKeyedBaseFactory in a safe order
 // based on the stated dependencies by each service.
-class BrowserContextDependencyManager {
+class BROWSER_CONTEXT_KEYED_SERVICE_EXPORT BrowserContextDependencyManager {
  public:
   // Adds/Removes a component from our list of live components. Removing will
   // also remove live dependency links.
   void AddComponent(BrowserContextKeyedBaseFactory* component);
   void RemoveComponent(BrowserContextKeyedBaseFactory* component);
 
   // Adds a dependency between two factories.
   void AddEdge(BrowserContextKeyedBaseFactory* depended,
                BrowserContextKeyedBaseFactory* dependee);
 
@@ skipping 34 matching lines @@
 #ifndef NDEBUG
   // A list of context objects that have gone through the Shutdown()
   // phase. These pointers are most likely invalid, but we keep track of their
   // locations in memory so we can nicely assert if we're asked to do anything
   // with them.
   std::set<content::BrowserContext*> dead_context_pointers_;
 #endif
 };
 
 #endif  // COMPONENTS_BROWSER_CONTEXT_KEYED_SERVICE_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_