Implement initial chrome.browserAction.openPopup API.

chrome/browser/extensions/api/extension_action/extension_action_api.h

Index: chrome/browser/extensions/api/extension_action/extension_action_api.h
diff --git a/chrome/browser/extensions/api/extension_action/extension_action_api.h b/chrome/browser/extensions/api/extension_action/extension_action_api.h
index 692576c088aa90fd86be3fb22cc86c20e85bde50..8471ae33328f882ae3ca94260ac372a9d1d6821f 100644
--- a/chrome/browser/extensions/api/extension_action/extension_action_api.h
+++ b/chrome/browser/extensions/api/extension_action/extension_action_api.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_API_EXTENSION_ACTION_EXTENSION_ACTION_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_EXTENSION_ACTION_EXTENSION_ACTION_API_H_
 
+#include <string>
+
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/extension_action.h"
@@ -341,6 +343,30 @@ class BrowserActionDisableFunction : public ExtensionActionHideFunction {
   virtual ~BrowserActionDisableFunction() {}
 };
 
+class BrowserActionOpenPopupFunction : public UIThreadExtensionFunction,
+                                       public content::NotificationObserver {
+ public:
+  DECLARE_EXTENSION_FUNCTION("browserAction.openPopup",
+                             BROWSERACTION_OPEN_POPUP)
+  BrowserActionOpenPopupFunction();
+
+ private:
+  virtual ~BrowserActionOpenPopupFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+  void OpenPopupTimedOut();
+
+  content::NotificationRegistrar registrar_;
+  bool response_sent_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserActionOpenPopupFunction);
+};
+
 //
 // scriptBadge.* aliases for supported scriptBadge APIs.
 //