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

chrome/browser/cocoa/location_bar/autocomplete_text_field_cell_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"
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/cocoa/location_bar/autocomplete_text_field_cell.h"
@@ skipping 205 matching lines @@
   NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
   [cell setKeywordHintPrefix:@"Keyword " image:image suffix:@" hint"
               availableWidth:kWidth];
   textFrame = [cell textFrameForFrame:bounds];
   EXPECT_FALSE(NSIsEmptyRect(textFrame));
   EXPECT_TRUE(NSContainsRect(bounds, textFrame));
   EXPECT_LT(NSMaxX(textFrame), NSMaxX(bounds));
   EXPECT_LT(NSMaxX(textFrame), searchHintMaxX);
   EXPECT_TRUE(NSContainsRect(cursorFrame, textFrame));
 
+
   // Text frame should take everything over again on reset.
   [cell clearHint];
   textFrame = [cell textFrameForFrame:bounds];
   EXPECT_FALSE(NSIsEmptyRect(textFrame));
   EXPECT_TRUE(NSContainsRect(bounds, textFrame));
   EXPECT_EQ(NSMinX(bounds), NSMinX(textFrame));
   EXPECT_EQ(NSMaxX(bounds), NSMaxX(textFrame));
   EXPECT_TRUE(NSContainsRect(cursorFrame, textFrame));
 
   // Search hint text takes precedence over the hint icon; the text frame
@@ skipping 38 matching lines @@
 
   NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
   [cell setKeywordHintPrefix:@"Keyword " image:image suffix:@" hint"
               availableWidth:kWidth];
   textFrame = [cell textFrameForFrame:bounds];
   drawingRect = [cell drawingRectForBounds:bounds];
   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
   EXPECT_TRUE(NSContainsRect(NSInsetRect(textFrame, 1, 1), drawingRect));
 
   [cell clearHint];
+
   textFrame = [cell textFrameForFrame:bounds];
   drawingRect = [cell drawingRectForBounds:bounds];
   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
   EXPECT_TRUE(NSContainsRect(NSInsetRect(textFrame, 1, 1), drawingRect));
   EXPECT_TRUE(NSEqualRects(drawingRect, originalDrawingRect));
 
   mock_left_decoration_.SetVisible(true);
   textFrame = [cell textFrameForFrame:bounds];
   drawingRect = [cell drawingRectForBounds:bounds];
   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
@@ skipping 106 matching lines @@
   EXPECT_TRUE(NSContainsRect(bounds, iconRect1));
   EXPECT_FALSE(NSIsEmptyRect(labelRect));
   EXPECT_TRUE(NSContainsRect(bounds, labelRect));
 
   EXPECT_LE(NSMaxX(drawingRect), NSMinX(iconRect1));
   EXPECT_LE(NSMaxX(textFrame), NSMinX(iconRect1));
   EXPECT_LE(NSMaxX(iconRect1), NSMinX(iconRect0));
   EXPECT_LE(NSMaxX(labelRect), NSMinX(iconRect0));
 }
 
+  NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
+
 // Test that the cell drops the search hint if there is no room for
 // it.
 TEST_F(AutocompleteTextFieldCellTest, OmitsSearchHintIfNarrow) {
   AutocompleteTextFieldCell* cell =
       static_cast<AutocompleteTextFieldCell*>([view_ cell]);
 
   NSString* const kSearchHint = @"Type to search";
 
   // Wide width chooses the full string.
   [cell setSearchHintString:kSearchHint availableWidth:kWidth];
@@ skipping 23 matching lines @@
   EXPECT_TRUE([[[cell hintString] string] hasPrefix:kHintPrefix]);
   EXPECT_TRUE([[[cell hintString] string] hasSuffix:kHintSuffix]);
 
   // Narrow width suppresses everything but the image.
   [cell setKeywordHintPrefix:kHintPrefix image:image suffix:kHintSuffix
               availableWidth:kNarrowWidth];
   EXPECT_EQ([[cell hintString] length], 1U);
 }
 
 }  // namespace