Omnibox: Remove Hint Text Code

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
                  Profile* profile,
                  CommandUpdater* command_updater,
                  AutocompleteTextField* field);
   ~OmniboxViewMac() override;
 
   // OmniboxView:
   void SaveStateToTab(content::WebContents* tab) override;
   void OnTabChanged(const content::WebContents* web_contents) override;
   void ResetTabState(content::WebContents* web_contents) override;
   void Update() override;
-  void UpdatePlaceholderText() override;
   void OpenMatch(const AutocompleteMatch& match,
                  WindowOpenDisposition disposition,
                  const GURL& alternate_nav_url,
                  const base::string16& pasted_text,
                  size_t selected_line) override;
   base::string16 GetText() const override;
   void SetWindowTextAndCaretPos(const base::string16& text,
                                 size_t caret_pos,
                                 bool update_popup,
                                 bool notify_text_changed) override;
@@ skipping 150 matching lines @@
   bool in_coalesced_update_block_;
   bool do_coalesced_text_update_;
   base::string16 coalesced_text_update_;
   bool do_coalesced_range_update_;
   NSRange coalesced_range_update_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxViewMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_