Make a ShowExtensionActionPopup function

chrome/browser/ui/location_bar/location_bar.h

Index: chrome/browser/ui/location_bar/location_bar.h
diff --git a/chrome/browser/ui/location_bar/location_bar.h b/chrome/browser/ui/location_bar/location_bar.h
index 41391e503ac184a56d04c192641d41b5d0e5e2fe..bd8089112993d0759f21f830457914fa1b25bf13 100644
--- a/chrome/browser/ui/location_bar/location_bar.h
+++ b/chrome/browser/ui/location_bar/location_bar.h
@@ -18,6 +18,10 @@ namespace content {
 class WebContents;
 }
 
+namespace extensions {
+class Extension;
+}
+
 // The LocationBar class is a virtual interface, defining access to the
 // window's location bar component.  This class exists so that cross-platform
 // components like the browser command system can talk to the platform
@@ -58,6 +62,12 @@ class LocationBar {
   // extension is unloaded or crashes.
   virtual void InvalidatePageActions() = 0;
 
+  // Shows the popup for the given |extension| and, if |grant_active_tab| is
+  // true, grants the extension active tab permissions.
+  // Returns true if a popup was shown.
+  virtual bool ShowPageActionPopup(const extensions::Extension* extension,
+                                   bool grant_active_tab) = 0;
+
   // Updates the state of the button to open a PDF in Adobe Reader.
   virtual void UpdateOpenPDFInReaderPrompt() = 0;