Use the extension icon for extension omnibox results instead of the generic

chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm

Index: chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm
diff --git a/chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm b/chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm
index 44e223bd44fc26d953d1e5e86f25519aa029a9df..ee3565fc15bd2ebbc59dcdb6a3de55b6e173138c 100644
--- a/chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm
+++ b/chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm
@@ -266,6 +266,7 @@ TEST_F(AutocompleteTextFieldTest, Display) {
   [field_ display];
 
   [cell clearHint];
+
   [field_ display];
 }
 
@@ -382,6 +383,7 @@ TEST_F(AutocompleteTextFieldTest, ResetFieldEditorKeywordHint) {
 
   // Capture the editor frame resulting from the standard focus
   // machinery.
+
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];
   const NSRect baseEditorFrame(EditorFrame());
 
@@ -398,6 +400,7 @@ TEST_F(AutocompleteTextFieldTest, ResetFieldEditorKeywordHint) {
   mock_left_decoration_.SetVisible(true);
   EXPECT_FALSE(NSIsEmptyRect([cell frameForDecoration:&mock_left_decoration_
                                               inFrame:[field_ bounds]]));
+
   [field_ resetFieldEditorFrameIfNeeded];
   EXPECT_TRUE(NSEqualRects(baseEditorFrame, EditorFrame()));
 }
@@ -457,6 +460,7 @@ TEST_F(AutocompleteTextFieldTest, ClickLeftDecorationPutsCaretLeftmost) {
   // Set the decoration before becoming responder.
   EXPECT_FALSE([field_ currentEditor]);
   mock_left_decoration_.SetVisible(true);
+  NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
 
   // Make first responder should select all.
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];