Change AlarmManager to use ProfileKeyedAPI.

chrome/browser/extensions/extension_system.h

Index: chrome/browser/extensions/extension_system.h
diff --git a/chrome/browser/extensions/extension_system.h b/chrome/browser/extensions/extension_system.h
index 334bedb09460c7907408e6fe842a270348fe2f96..0fb13e9f2d5e17ab7d052a67135574f9e4462ee6 100644
--- a/chrome/browser/extensions/extension_system.h
+++ b/chrome/browser/extensions/extension_system.h
@@ -9,7 +9,6 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/time/default_clock.h"
 #include "chrome/browser/extensions/api/api_resource_manager.h"
 #include "chrome/browser/extensions/api/serial/serial_connection.h"
 #include "chrome/browser/extensions/api/socket/socket.h"
@@ -81,9 +80,6 @@ class ExtensionSystem : public ProfileKeyedService {
   // The ExtensionProcessManager is created at startup.
   virtual ExtensionProcessManager* process_manager() = 0;
 
-  // The AlarmManager is created at startup.
-  virtual AlarmManager* alarm_manager() = 0;
-
   // The StateStore is created at startup.
   virtual StateStore* state_store() = 0;
 
@@ -165,7 +161,6 @@ class ExtensionSystemImpl : public ExtensionSystem {
   virtual ManagementPolicy* management_policy() OVERRIDE;  // shared
   virtual UserScriptMaster* user_script_master() OVERRIDE;  // shared
   virtual ExtensionProcessManager* process_manager() OVERRIDE;
-  virtual AlarmManager* alarm_manager() OVERRIDE;
   virtual StateStore* state_store() OVERRIDE;  // shared
   virtual StateStore* rules_store() OVERRIDE;  // shared
   virtual ExtensionPrefs* extension_prefs() OVERRIDE;  // shared
@@ -212,7 +207,6 @@ class ExtensionSystemImpl : public ExtensionSystem {
     // ProfileKeyedService implementation.
     virtual void Shutdown() OVERRIDE;
 
-    base::Clock* clock();
     StateStore* state_store();
     StateStore* rules_store();
     ExtensionPrefs* extension_prefs();
@@ -232,7 +226,6 @@ class ExtensionSystemImpl : public ExtensionSystem {
 
     // The services that are shared between normal and incognito profiles.
 
-    base::DefaultClock clock_;
     scoped_ptr<StateStore> state_store_;
     scoped_ptr<StateStore> rules_store_;
     scoped_ptr<ExtensionPrefs> extension_prefs_;
@@ -268,7 +261,6 @@ class ExtensionSystemImpl : public ExtensionSystem {
   // incoming resource requests from extension processes and those require
   // access to the ResourceContext owned by |io_data_|.
   scoped_ptr<ExtensionProcessManager> extension_process_manager_;
-  scoped_ptr<AlarmManager> alarm_manager_;
   scoped_ptr<ApiResourceManager<SerialConnection> > serial_connection_manager_;
   scoped_ptr<ApiResourceManager<Socket> > socket_manager_;
   scoped_ptr<ApiResourceManager<