[Refactor] Move code for painting the window header for browser windows out of ash

ash/ash.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
   },
   'includes': [
@@ skipping 480 matching lines @@
         'wm/caption_buttons/frame_maximize_button.h',
         'wm/caption_buttons/frame_maximize_button_observer.h',
         'wm/caption_buttons/maximize_bubble_controller.cc',
         'wm/caption_buttons/maximize_bubble_controller.h',
         'wm/caption_buttons/maximize_bubble_controller_bubble.cc',
         'wm/caption_buttons/maximize_bubble_controller_bubble.h',
         'wm/coordinate_conversion.cc',
         'wm/coordinate_conversion.h',
         'wm/custom_frame_view_ash.cc',
         'wm/custom_frame_view_ash.h',
+        'wm/default_header_painter.cc',
+        'wm/default_header_painter.h',
         'wm/default_state.cc',
         'wm/default_state.h',
         'wm/default_window_resizer.cc',
         'wm/default_window_resizer.h',
         'wm/dock/docked_window_layout_manager.cc',
         'wm/dock/docked_window_layout_manager.h',
         'wm/dock/docked_window_layout_manager_observer.h',
         'wm/dock/docked_window_resizer.cc',
         'wm/dock/docked_window_resizer.h',
         'wm/drag_details.cc',
         'wm/drag_details.h',
         'wm/drag_window_controller.cc',
         'wm/drag_window_controller.h',
         'wm/drag_window_resizer.cc',
         'wm/drag_window_resizer.h',
         'wm/event_client_impl.cc',
         'wm/event_client_impl.h',
         'wm/frame_border_hit_test_controller.cc',
         'wm/frame_border_hit_test_controller.h',
-        'wm/header_painter.cc',
+        'wm/header_metrics.cc',
+        'wm/header_metrics.h',
         'wm/header_painter.h',
         'wm/gestures/long_press_affordance_handler.cc',
         'wm/gestures/long_press_affordance_handler.h',
         'wm/gestures/overview_gesture_handler.cc',
         'wm/gestures/overview_gesture_handler.h',
         'wm/gestures/shelf_gesture_handler.cc',
         'wm/gestures/shelf_gesture_handler.h',
         'wm/gestures/system_pinch_handler.cc',
         'wm/gestures/system_pinch_handler.h',
         'wm/gestures/tray_gesture_handler.cc',
@@ skipping 403 matching lines @@
         'test/ash_test_helper_unittest.cc',
         'test/ash_unittests.cc',
         'tooltips/tooltip_controller_unittest.cc',
         'touch/touch_observer_hud_unittest.cc',
         'wm/app_list_controller_unittest.cc',
         'wm/ash_native_cursor_manager_unittest.cc',
         'wm/caption_buttons/alternate_frame_size_button_unittest.cc',
         'wm/caption_buttons/frame_caption_button_container_view_unittest.cc',
         'wm/caption_buttons/frame_maximize_button_unittest.cc',
         'wm/custom_frame_view_ash_unittest.cc',
+        'wm/default_header_painter_unittest.cc',
         'wm/dock/docked_window_layout_manager_unittest.cc',
         'wm/dock/docked_window_resizer_unittest.cc',
         'wm/drag_window_resizer_unittest.cc',
         'wm/gestures/overview_gesture_handler_unittest.cc',
-        'wm/header_painter_unittest.cc',
         'wm/immersive_fullscreen_controller_unittest.cc',
         'wm/lock_state_controller_unittest.cc',
         'wm/maximize_mode/maximize_mode_window_manager_unittest.cc',
         'wm/mru_window_tracker_unittest.cc',
         'wm/overview/window_selector_unittest.cc',
         'wm/panels/panel_layout_manager_unittest.cc',
         'wm/panels/panel_window_resizer_unittest.cc',
         'wm/partial_screenshot_view_unittest.cc',
         'wm/resize_shadow_and_cursor_unittest.cc',
         'wm/screen_dimmer_unittest.cc',
@@ skipping 163 matching lines @@
         }],
         ['chromeos==1', {
           'dependencies': [
             '../device/bluetooth/bluetooth.gyp:device_bluetooth',
           ],
         }],
       ],
     },
   ],
 }