Add ifdef guard around gpu-specific code in native windows window.

src/views/win/SkOSWindow_win.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkTypes.h"
 
 #if defined(SK_BUILD_FOR_WIN)
@@ skipping 674 matching lines @@
     default:
         SkASSERT(false);
         break;
     }
 }
 
 bool SkOSWindow::makeFullscreen() {
     if (fFullscreen) {
         return true;
     }
+#if SK_SUPPORT_GPU
     if (fHGLRC) {
         this->detachGL();
     }
+#endif // SK_SUPPORT_GPU
     // This is hacked together from various sources on the web. It can certainly be improved and be
     // made more robust.
 
     // Save current window/resolution information. We do this in case we ever implement switching
     // back to windowed mode.
     fSavedWindowState.fZoomed = SkToBool(IsZoomed((HWND)fHWND));
     if (fSavedWindowState.fZoomed) {
         SendMessage((HWND)fHWND, WM_SYSCOMMAND, SC_RESTORE, 0);
     }
     fSavedWindowState.fStyle = GetWindowLong((HWND)fHWND, GWL_STYLE);
@@ skipping 60 matching lines @@
 }
 
 void SkOSWindow::closeWindow() {
     DestroyWindow((HWND)fHWND);
     if (fFullscreen) {
         DestroyWindow((HWND)fSavedWindowState.fHWND);
     }
     gHwndToOSWindowMap.remove(fHWND);
 }
 #endif