Android: Remove events extensions API.

chrome/browser/extensions/activity_log/activity_log.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 CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 22 matching lines @@
 }
 
 namespace extensions {
 class Extension;
 class ExtensionRegistry;
 
 // A utility for tracing interesting activity for each extension.
 // It writes to an ActivityDatabase on a separate thread to record the activity.
 // Each profile has different extensions, so we keep a different database for
 // each profile.
+//
+// TODO(thestig) Remove ENABLE_EXTENSIONS checks when ActivityLog is no longer
+// built on platforms that do not support extensions.
 class ActivityLog : public BrowserContextKeyedAPI,
                     public ApiActivityMonitor,
+#if defined(ENABLE_EXTENSIONS)
                     public TabHelper::ScriptExecutionObserver,
+#endif
                     public ExtensionRegistryObserver {
  public:
   // Observers can listen for activity events. There is probably only one
   // observer: the activityLogPrivate API.
   class Observer {
    public:
     virtual void OnExtensionActivity(scoped_refptr<Action> activity) = 0;
   };
 
   static BrowserContextKeyedAPIFactory<ActivityLog>* GetFactoryInstance();
@@ skipping 81 matching lines @@
 
   // Specifies if we need to record actions to the db. If so, we need to log to
   // the database. This is true if the Watchdog app is active *or* the
   // --enable-extension-activity-logging flag is set.
   bool IsDatabaseEnabled();
 
   // Delayed initialization of ExtensionRegistry which waits until after the
   // ExtensionSystem/ExtensionService are done with their own setup.
   void StartObserving();
 
+#if defined(ENABLE_EXTENSIONS)
   // TabHelper::ScriptExecutionObserver implementation.
   // Fires when a ContentScript is executed.
   virtual void OnScriptsExecuted(
       const content::WebContents* web_contents,
       const ExecutingScriptsMap& extension_ids,
       int32 page_id,
       const GURL& on_url) OVERRIDE;
+#endif
 
   // At the moment, ActivityLog will use only one policy for summarization.
   // These methods are used to choose and set the most appropriate policy.
   // Changing policies at runtime is not recommended, and likely only should be
   // done for unit tests.
   void ChooseDatabasePolicy();
   void SetDatabasePolicy(ActivityLogPolicy::PolicyType policy_type);
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "ActivityLog"; }
@@ skipping 51 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ActivityLogEnabledTest, WatchdogSwitch);
   DISALLOW_COPY_AND_ASSIGN(ActivityLog);
 };
 
 template <>
 void BrowserContextKeyedAPIFactory<ActivityLog>::DeclareFactoryDependencies();
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_H_