[Ozone-GBM] Adding NativeWindowDelegate to IPC window changes to the GPU

ui/ozone/common/gpu/ozone_gpu_messages.h

 // Copyright 2014 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <vector>
 
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
 #include "ui/ozone/ozone_export.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT OZONE_EXPORT
 
 #define IPC_MESSAGE_START OzoneGpuMsgStart
 
@@ skipping 28 matching lines @@
 // These are messages from the browser to the GPU process.
 
 // Update the HW cursor bitmap & move to specified location.
 IPC_MESSAGE_CONTROL3(OzoneGpuMsg_CursorSet,
                      gfx::AcceleratedWidget, SkBitmap, gfx::Point)
 
 // Move the HW cursor to the specified location.
 IPC_MESSAGE_CONTROL2(OzoneGpuMsg_CursorMove,
                      gfx::AcceleratedWidget, gfx::Point)
 
+// Explicit creation of a NativeWindowDelegate. We explicitly create the window
+// delegate such that any state change in the window is not lost while the
+// surface is created on the GPU side.
+IPC_MESSAGE_CONTROL1(OzoneGpuMsg_CreateNativeWindowDelegate,
+                     gfx::AcceleratedWidget /* widget */)
+
+IPC_MESSAGE_CONTROL1(OzoneGpuMsg_DestoryNativeWindowDelegate,
+                     gfx::AcceleratedWidget /* widget */)
+
+// Updates the location and size of the widget on the screen.
+IPC_MESSAGE_CONTROL2(OzoneGpuMsg_NativeWindowBoundsChanged,
+                     gfx::AcceleratedWidget /* widget */,
+                     gfx::Rect /* bounds */)
+
 #if defined(OS_CHROMEOS)
 // Force the DPMS state of the display to on.
 IPC_MESSAGE_CONTROL0(OzoneGpuMsg_ForceDPMSOn)
 
 // Trigger a display reconfiguration. OzoneHostMsg_UpdateNativeDisplays will be
 // sent as a response.
 IPC_MESSAGE_CONTROL0(OzoneGpuMsg_RefreshNativeDisplays)
 
 // Configure a display with the specified mode at the specified location.
 IPC_MESSAGE_CONTROL3(OzoneGpuMsg_ConfigureNativeDisplay,
                      int64_t,  // display ID
                      ui::DisplayMode_Params,  // display mode
                      gfx::Point)  // origin for the display
 
 IPC_MESSAGE_CONTROL1(OzoneGpuMsg_DisableNativeDisplay,
                      int64_t)  // display ID
 
 //------------------------------------------------------------------------------
 // Browser Messages
 // These messages are from the GPU to the browser process.
 
 // Updates the list of active displays.
 IPC_MESSAGE_CONTROL1(OzoneHostMsg_UpdateNativeDisplays,
                      std::vector<ui::DisplaySnapshot_Params>)
 #endif