[Mac] Allow omnibox decorations to decline mouse events.

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 160 matching lines @@
 }
 
 TEST_F(AutocompleteTextFieldCellTest, TextFrame) {
   AutocompleteTextFieldCell* cell =
       static_cast<AutocompleteTextFieldCell*>([view_ cell]);
   const NSRect bounds([view_ bounds]);
   NSRect textFrame;
 
   // The cursor frame should stay the same throughout.
   const NSRect cursorFrame([cell textCursorFrameForFrame:bounds]);
+  EXPECT_TRUE(NSEqualRects(cursorFrame, bounds));
 
   // At default settings, everything goes to the text area.
   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(NSEqualRects(cursorFrame, textFrame));
+  EXPECT_TRUE(NSContainsRect(cursorFrame, textFrame));
 
   // Small search hint leaves text frame to left.
   [cell setSearchHintString:@"Search hint" availableWidth:kWidth];
   textFrame = [cell textFrameForFrame:bounds];
   EXPECT_FALSE(NSIsEmptyRect(textFrame));
   EXPECT_TRUE(NSContainsRect(bounds, textFrame));
   EXPECT_LT(NSMaxX(textFrame), NSMaxX(bounds));
   EXPECT_TRUE(NSContainsRect(cursorFrame, textFrame));
 
   // Save search-hint's frame for future reference.
@@ skipping 182 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