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

chrome/browser/cocoa/location_bar/autocomplete_text_field_unittest.mm

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 
 #include "app/resource_bundle.h"
 #import "base/cocoa_protocols_mac.h"
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/location_bar/autocomplete_text_field.h"
@@ skipping 248 matching lines @@
 
   [cell setSearchHintString:@"Type to search" availableWidth:kWidth];
   [field_ display];
 
   NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
   [cell setKeywordHintPrefix:@"prefix" image:image suffix:@"suffix"
               availableWidth:kWidth];
   [field_ display];
 
   [cell clearHint];
+
   [field_ display];
 }
 
 TEST_F(AutocompleteTextFieldObserverTest, FlagsChanged) {
   InSequence dummy;  // Call mock in exactly the order specified.
 
   // Test without Control key down, but some other modifier down.
   EXPECT_CALL(field_observer_, OnControlKeyChanged(false));
   [field_ flagsChanged:KeyDownEventWithFlags(NSShiftKeyMask)];
 
@@ skipping 96 matching lines @@
 
   // Make sure decoration isn't already visible, then make it visible.
   EXPECT_TRUE(NSIsEmptyRect([cell frameForDecoration:&mock_left_decoration_
                                              inFrame:[field_ bounds]]));
   mock_left_decoration_.SetVisible(true);
   EXPECT_FALSE(NSIsEmptyRect([cell frameForDecoration:&mock_left_decoration_
                                               inFrame:[field_ bounds]]));
 
   // Capture the editor frame resulting from the standard focus
   // machinery.
+
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];
   const NSRect baseEditorFrame(EditorFrame());
 
   // When the decoration is not visible the frame should be strictly larger.
   mock_left_decoration_.SetVisible(false);
   EXPECT_TRUE(NSIsEmptyRect([cell frameForDecoration:&mock_left_decoration_
                                              inFrame:[field_ bounds]]));
   [field_ resetFieldEditorFrameIfNeeded];
   EXPECT_FALSE(NSEqualRects(baseEditorFrame, EditorFrame()));
   EXPECT_TRUE(NSContainsRect(EditorFrame(), baseEditorFrame));
 
   // When the decoration is visible, -resetFieldEditorFrameIfNeeded
   // should result in the same frame as the standard focus machinery.
   mock_left_decoration_.SetVisible(true);
   EXPECT_FALSE(NSIsEmptyRect([cell frameForDecoration:&mock_left_decoration_
                                               inFrame:[field_ bounds]]));
+
   [field_ resetFieldEditorFrameIfNeeded];
   EXPECT_TRUE(NSEqualRects(baseEditorFrame, EditorFrame()));
 }
 
 // Test that resetting the field editor bounds does not cause untoward
 // messages to the field's observer.
 TEST_F(AutocompleteTextFieldObserverTest, ResetFieldEditorContinuesEditing) {
   EXPECT_CALL(field_observer_, OnSetFocus(false));
   // Becoming first responder doesn't begin editing.
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];
@@ skipping 39 matching lines @@
 // puts the selection in the leftmost position.
 TEST_F(AutocompleteTextFieldTest, ClickLeftDecorationPutsCaretLeftmost) {
   // Decoration does not handle the mouse event, so the cell should
   // process it.
   EXPECT_CALL(mock_left_decoration_, OnMousePressed(_))
       .WillRepeatedly(Return(false));
 
   // 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_];
   EXPECT_TRUE([field_ currentEditor]);
   const NSRange allRange = NSMakeRange(0, [[field_ stringValue] length]);
   EXPECT_TRUE(NSEqualRanges(allRange, [[field_ currentEditor] selectedRange]));
 
   // Generate a click on the decoration.
   AutocompleteTextFieldCell* cell = [field_ autocompleteTextFieldCell];
   const NSRect iconFrame =
@@ skipping 409 matching lines @@
   scoped_nsobject<AutocompleteTextField> pin([field_ retain]);
   [field_ removeFromSuperview];
   [test_window() resignKeyWindow];
 
   [[test_window() contentView] addSubview:field_];
   EXPECT_CALL(field_observer_, ClosePopup());
   [test_window() resignKeyWindow];
 }
 
 }  // namespace