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..cfe35d8e5d8dcde5f3a5d118e809b0543712004e 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 +343,18 @@ class BrowserActionDisableFunction : public ExtensionActionHideFunction {
   virtual ~BrowserActionDisableFunction() {}
 };
 
+class BrowserActionOpenPopupFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("browserAction.openPopup",
+                             BROWSERACTION_OPEN_POPUP)
+
+ protected:
+  virtual ~BrowserActionOpenPopupFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
 //
 // scriptBadge.* aliases for supported scriptBadge APIs.
 //