Allow tabCapture API to be granted for chrome:// pages.

chrome/browser/extensions/active_tab_permission_granter.h

Index: chrome/browser/extensions/active_tab_permission_granter.h
diff --git a/chrome/browser/extensions/active_tab_permission_granter.h b/chrome/browser/extensions/active_tab_permission_granter.h
index 8584c29682fa3c25ca308e18e9be31ce57af2c3c..0ef033667db88dd567ef203ca2dfa9c074f2857e 100644
--- a/chrome/browser/extensions/active_tab_permission_granter.h
+++ b/chrome/browser/extensions/active_tab_permission_granter.h
@@ -38,10 +38,6 @@ class ActiveTabPermissionGranter : public content::WebContentsObserver,
   // tab-specific permissions to it until the next page navigation or refresh.
   void GrantIfRequested(const Extension* extension);
 
-  // Returns true if |extension| has been granted tab-specific permissions
-  // for this tab.
-  bool IsGranted(const Extension* extension);
-
  private:
   // content::WebContentsObserver implementation.
   virtual void DidNavigateMainFrame(