Update browserAction.setIcon and pageAction.setIcon for hidpi

chrome/browser/extensions/browser_action_test_util.h

Index: chrome/browser/extensions/browser_action_test_util.h
diff --git a/chrome/browser/extensions/browser_action_test_util.h b/chrome/browser/extensions/browser_action_test_util.h
index c733f2bce2721eb37681a773d4378a401608797b..556661f52a9f0f3b3185442e35816673405dbe69 100644
--- a/chrome/browser/extensions/browser_action_test_util.h
+++ b/chrome/browser/extensions/browser_action_test_util.h
@@ -13,6 +13,7 @@ class Browser;
 class ExtensionAction;
 
 namespace gfx {
+class Image;
 class Rect;
 class Size;
 }  // namespace gfx
@@ -37,6 +38,9 @@ class BrowserActionTestUtil {
   // to load by calling WaitForBrowserActionUpdated.
   bool HasIcon(int index);
 
+  // Returns icon for the browser action at |index|.
+  gfx::Image GetIcon(int index);
+
   // Simulates a user click on the browser action button at |index|.
   void Press(int index);