Remove layered window painting support from HWNDMessageHandler

ui/views/win/hwnd_message_handler.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 UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_
 #define UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_
 
 #include <windows.h>
 
 #include <set>
@@ skipping 171 matching lines @@
 
   void SetVisibilityChangedAnimationsEnabled(bool enabled);
 
   // Returns true if the title changed.
   bool SetTitle(const base::string16& title);
 
   void SetCursor(HCURSOR cursor);
 
   void FrameTypeChanged();
 
-  void SchedulePaintInRect(const gfx::Rect& rect);
-  void SetOpacity(BYTE opacity);
-
   void SetWindowIcons(const gfx::ImageSkia& window_icon,
                       const gfx::ImageSkia& app_icon);
 
   void set_remove_standard_frame(bool remove_standard_frame) {
     remove_standard_frame_ = remove_standard_frame;
   }
 
   void set_use_system_default_icon(bool use_system_default_icon) {
     use_system_default_icon_ = use_system_default_icon;
   }
@@ skipping 93 matching lines @@
 
   // Lock or unlock the window from being able to redraw itself in response to
   // updates to its invalid region.
   class ScopedRedrawLock;
   void LockUpdates(bool force);
   void UnlockUpdates(bool force);
 
   // Stops ignoring SetWindowPos() requests (see below).
   void StopIgnoringPosChanges() { ignore_window_pos_changes_ = false; }
 
-  // Synchronously updates the invalid contents of the Widget. Valid for
-  // layered windows only.
-  void RedrawLayeredWindowContents();
-
   // Attempts to force the window to be redrawn, ensuring that it gets
   // onscreen.
   void ForceRedrawWindow(int attempts);
 
   // Message Handlers ----------------------------------------------------------
 
   BEGIN_SAFE_MSG_MAP_EX(weak_factory_)
     // Range handlers must go first!
     CR_MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange)
     CR_MESSAGE_RANGE_HANDLER_EX(WM_NCMOUSEMOVE,
@@ skipping 216 matching lines @@
   // When true, this flag makes us discard incoming SetWindowPos() requests that
   // only change our position/size.  (We still allow changes to Z-order,
   // activation, etc.)
   bool ignore_window_pos_changes_;
 
   // The last-seen monitor containing us, and its rect and work area.  These are
   // used to catch updates to the rect and work area and react accordingly.
   HMONITOR last_monitor_;
   gfx::Rect last_monitor_rect_, last_work_area_;
 
-  // Layered windows -----------------------------------------------------------
-
-  // Should we keep an off-screen buffer? This is false by default, set to true
-  // when WS_EX_LAYERED is specified before the native window is created.
-  //
-  // NOTE: this is intended to be used with a layered window (a window with an
-  // extended window style of WS_EX_LAYERED). If you are using a layered window
-  // and NOT changing the layered alpha or anything else, then leave this value
-  // alone. OTOH if you are invoking SetLayeredWindowAttributes then you'll
-  // most likely want to set this to false, or after changing the alpha toggle
-  // the extended style bit to false than back to true. See MSDN for more
-  // details.
-  bool use_layered_buffer_;
-
-  // The default alpha to be applied to the layered window.
-  BYTE layered_alpha_;
-
-  // A canvas that contains the window contents in the case of a layered
-  // window.
-  scoped_ptr<gfx::Canvas> layered_window_contents_;
-
-  // We must track the invalid rect ourselves, for two reasons:
-  // For layered windows, Windows will not do this properly with
-  // InvalidateRect()/GetUpdateRect(). (In fact, it'll return misleading
-  // information from GetUpdateRect()).
-  // We also need to keep track of the invalid rectangle for the RootView should
-  // we need to paint the non-client area. The data supplied to WM_NCPAINT seems
-  // to be insufficient.
-  gfx::Rect invalid_rect_;
-
-  // Set to true when waiting for RedrawLayeredWindowContents().
-  bool waiting_for_redraw_layered_window_contents_;
-
   // True the first time nccalc is called on a sizable widget
   bool is_first_nccalc_;
 
   // Copy of custom window region specified via SetRegion(), if any.
   base::win::ScopedRegion custom_window_region_;
 
   // If > 0 indicates a menu is running (we're showing a native menu).
   int menu_depth_;
 
   // Generates touch-ids for touch-events.
@@ skipping 45 matching lines @@
 
   // The factory used with BEGIN_SAFE_MSG_MAP_EX.
   base::WeakPtrFactory<HWNDMessageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HWNDMessageHandler);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_