Add OVERRIDE to chrome/browser/extensions/.

chrome/browser/extensions/extension_processes_api.h

Index: chrome/browser/extensions/extension_processes_api.h
diff --git a/chrome/browser/extensions/extension_processes_api.h b/chrome/browser/extensions/extension_processes_api.h
index 712a222c4638b2b064dfb34d07ddb8a6696d2826..c77099e359cc92b7e277578501448d91d15cd33d 100644
--- a/chrome/browser/extensions/extension_processes_api.h
+++ b/chrome/browser/extensions/extension_processes_api.h
@@ -36,10 +36,10 @@ class ExtensionProcessesEventRouter : public TaskManagerModelObserver {
   virtual ~ExtensionProcessesEventRouter();
 
   // TaskManagerModelObserver methods.
-  virtual void OnModelChanged() {}
-  virtual void OnItemsChanged(int start, int length);
-  virtual void OnItemsAdded(int start, int length) {}
-  virtual void OnItemsRemoved(int start, int length) {}
+  virtual void OnModelChanged() OVERRIDE {}
+  virtual void OnItemsChanged(int start, int length) OVERRIDE;
+  virtual void OnItemsAdded(int start, int length) OVERRIDE {}
+  virtual void OnItemsRemoved(int start, int length) OVERRIDE {}
 
   void DispatchEvent(Profile* profile,
                      const char* event_name,
@@ -63,7 +63,7 @@ class ExtensionProcessesEventRouter : public TaskManagerModelObserver {
 // currently in use by the specified Tab.
 class GetProcessIdForTabFunction : public SyncExtensionFunction {
   virtual ~GetProcessIdForTabFunction() {}
-  virtual bool RunImpl();
+  virtual bool RunImpl() OVERRIDE;
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.processes.getProcessIdForTab")
 };