views: Extract TabIconViewModel into its own header file.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 3776 matching lines @@
         'browser/ui/views/sync/one_click_signin_bubble_view.cc',
         'browser/ui/views/sync/one_click_signin_bubble_view.h',
         'browser/ui/views/tab_contents/chrome_web_contents_view_delegate_views.cc',
         'browser/ui/views/tab_contents/chrome_web_contents_view_delegate_views.h',
         'browser/ui/views/tab_contents/render_view_context_menu_views.cc',
         'browser/ui/views/tab_contents/render_view_context_menu_views.h',
         'browser/ui/views/tab_contents/render_view_context_menu_win.cc',
         'browser/ui/views/tab_contents/render_view_context_menu_win.h',
         'browser/ui/views/tab_icon_view.cc',
         'browser/ui/views/tab_icon_view.h',
+        'browser/ui/views/tab_icon_view_model.h',
         'browser/ui/views/tab_modal_confirm_dialog_views.cc',
         'browser/ui/views/tab_modal_confirm_dialog_views.h',
         'browser/ui/views/tabs/base_tab.cc',
         'browser/ui/views/tabs/base_tab.h',
         'browser/ui/views/tabs/browser_tab_strip_controller.cc',
         'browser/ui/views/tabs/browser_tab_strip_controller.h',
         'browser/ui/views/tabs/dock_info_win.cc',
         'browser/ui/views/tabs/dragged_tab_view.cc',
         'browser/ui/views/tabs/dragged_tab_view.h',
         'browser/ui/views/tabs/native_view_photobooth.h',
@@ skipping 1588 matching lines @@
         'browser/metrics/proto/study.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/metrics/proto',
         'proto_out_dir': 'chrome/browser/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }