mac: Move the bookmark bar overflow chevron from pdf to png

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm

 // Copyright (c) 2012 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 "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/metrics/histogram.h"
 #include "base/sys_string_conversions.h"
@@ skipping 339 matching lines @@
 
 - (void)awakeFromNib {
   // We default to NOT open, which means height=0.
   DCHECK([[self view] isHidden]);  // Hidden so it's OK to change.
 
   // Set our initial height to zero, since that is what the superview
   // expects.  We will resize ourselves open later if needed.
   [[self view] setFrame:NSMakeRect(0, 0, initialWidth_, 0)];
 
   // Complete init of the "off the side" button, as much as we can.
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  [offTheSideButton_ setImage:
+        rb.GetNativeImageNamed(IDR_BOOKMARK_BAR_CHEVRONS).ToNSImage()];
   [offTheSideButton_.draggableButton setDraggable:NO];
   [offTheSideButton_.draggableButton setActsOnMouseDown:YES];
 
   // We are enabled by default.
   barIsEnabled_ = YES;
 
   // Remember the original sizes of the 'no items' and 'import bookmarks'
   // fields to aid in resizing when the window frame changes.
   originalNoItemsRect_ = [[buttonView_ noItemTextfield] frame];
   originalImportBookmarksRect_ = [[buttonView_ importBookmarksButton] frame];
@@ skipping 2474 matching lines @@
 // to minimize touching the object passed in (likely a mock).
 - (void)setButtonContextMenu:(id)menu {
   buttonContextMenu_ = menu;
 }
 
 - (void)setIgnoreAnimations:(BOOL)ignore {
   ignoreAnimations_ = ignore;
 }
 
 @end