remove unneeded windows specific things

atom/browser/osr_render_widget_host_view_win.cc

@@ -1,46 +0,0 @@
-// Copyright (c) 2016 GitHub, Inc.
-// Use of this source code is governed by the MIT license that can be
-// found in the LICENSE file.
-
-#include <windows.h>
-
-#include "atom/browser/osr_render_widget_host_view.h"
-
-namespace atom {
-
-class DummyWindowWin : public gfx::WindowImpl {
- public:
-  DummyWindowWin() {
-    // Create a hidden 1x1 borderless window.
-    set_window_style(WS_POPUP | WS_SYSMENU);
-    Init(NULL, gfx::Rect(0, 0, 1, 1));
-  }
-
-  ~DummyWindowWin() override {
-    DestroyWindow(hwnd());
-  }
-
- private:
-  CR_BEGIN_MSG_MAP_EX(DummyWindowWin)
-    CR_MSG_WM_PAINT(OnPaint)
-  CR_END_MSG_MAP()
-
-  void OnPaint(HDC dc) {
-    ValidateRect(hwnd(), NULL);
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(DummyWindowWin);
-};
-
-void OffScreenRenderWidgetHostView::CreatePlatformWidget() {
-  DCHECK(!window_);
-  window_.reset(new DummyWindowWin());
-  compositor_widget_ = window_->hwnd();
-}
-
-void OffScreenRenderWidgetHostView::DestroyPlatformWidget() {
-  window_.reset(NULL);
-  compositor_widget_ = gfx::kNullAcceleratedWidget;
-}
-
-}  // namespace atom

filenames.gypi

@@ -212,7 +212,6 @@
       'atom/browser/osr_output_device.h',
       'atom/browser/osr_render_widget_host_view.cc',
       'atom/browser/osr_render_widget_host_view.h',
-      'atom/browser/osr_render_widget_host_view_win.cc',
       'atom/browser/osr_render_widget_host_view_mac.mm',
       'atom/browser/net/asar/asar_protocol_handler.cc',
       'atom/browser/net/asar/asar_protocol_handler.h',