Change browser/page action default icon defined in manifest to support hidpi.

chrome/browser/extensions/api/extension_action/browser_action_apitest.cc

Index: chrome/browser/extensions/api/extension_action/browser_action_apitest.cc
diff --git a/chrome/browser/extensions/api/extension_action/browser_action_apitest.cc b/chrome/browser/extensions/api/extension_action/browser_action_apitest.cc
index 737b94c248cf4ec7c8a9a8c3f8a1f55ce760b212..2cbf69289877a2bf6b210426c008b887339567d9 100644
--- a/chrome/browser/extensions/api/extension_action/browser_action_apitest.cc
+++ b/chrome/browser/extensions/api/extension_action/browser_action_apitest.cc
@@ -24,11 +24,26 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
+using content::BrowserThread;
 using content::WebContents;
 using extensions::Extension;
+using ::testing::_;
+
+namespace {
+
+class MockActionIconFactory : public ExtensionAction::IconFactory {
+ public:
+  virtual ~MockActionIconFactory() {}
+
+  MOCK_METHOD2(GetIcon, gfx::ImageSkia(const ExtensionIconSet* icon_set,
+                                       ExtensionAction::Type type));
+};
+
+}  // namespace
 
 class BrowserActionApiTest : public ExtensionApiTest {
  public:
@@ -98,14 +113,20 @@ IN_PROC_BROWSER_TEST_F(BrowserActionApiTest, DynamicBrowserAction) {
   const Extension* extension = GetSingleLoadedExtension();
   ASSERT_TRUE(extension) << message_;
 
+  MockActionIconFactory mock_icon_factory;
+  EXPECT_CALL(mock_icon_factory, GetIcon(_, _)).Times(0);
+
   // Test that there is a browser action in the toolbar.
   ASSERT_EQ(1, GetBrowserActionsBar().NumberOfBrowserActions());
   EXPECT_TRUE(GetBrowserActionsBar().HasIcon(0));
 
   // Set prev_id which holds the id of the previous image, and use it in the
   // next test to see if the image changes.
-  uint32_t prev_id = extension->browser_action()->GetIcon(0).
-      ToSkBitmap()->getGenerationID();
+  // The extension should not have default icon defined in its manifest
+  // (default icon is loaded asynchronously, so it may change even without the
+  // update step).
+  uint32_t prev_id = extension->browser_action()->
+      GetIcon(0, &mock_icon_factory).ToSkBitmap()->getGenerationID();
 
   // Tell the extension to update the icon using setIcon({imageData:...}).
   ResultCatcher catcher;
@@ -116,9 +137,9 @@ IN_PROC_BROWSER_TEST_F(BrowserActionApiTest, DynamicBrowserAction) {
   // Test that we received the changes.
   EXPECT_TRUE(GetBrowserActionsBar().HasIcon(0));
   EXPECT_NE(prev_id,
-            extension->browser_action()->GetIcon(0).
+            extension->browser_action()->GetIcon(0, &mock_icon_factory).
             ToSkBitmap()->getGenerationID());
-  prev_id = extension->browser_action()->GetIcon(0).
+  prev_id = extension->browser_action()->GetIcon(0, &mock_icon_factory).
       ToSkBitmap()->getGenerationID();
 
   // Tell the extension to update the icon using setIcon({path:...}).
@@ -127,7 +148,7 @@ IN_PROC_BROWSER_TEST_F(BrowserActionApiTest, DynamicBrowserAction) {
   ASSERT_TRUE(catcher.GetNextResult());
   EXPECT_TRUE(GetBrowserActionsBar().HasIcon(0));
   EXPECT_NE(prev_id,
-            extension->browser_action()->GetIcon(0).
+            extension->browser_action()->GetIcon(0, &mock_icon_factory).
             ToSkBitmap()->getGenerationID());
 }