Slightly modify sizes of overlays that are larger than the monitor

gpu/ipc/service/direct_composition_surface_win.h

 // Copyright 2017 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 GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_
 #define GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_
 
 #include <d3d11.h>
 #include <dcomp.h>
 #include <windows.h>
 
 #include "base/memory/weak_ptr.h"
 #include "base/win/scoped_comptr.h"
+#include "gpu/config/gpu_driver_bug_workarounds.h"
 #include "gpu/gpu_export.h"
 #include "gpu/ipc/service/child_window_win.h"
 #include "gpu/ipc/service/image_transport_surface_delegate.h"
 #include "ui/gl/gl_image.h"
 #include "ui/gl/gl_surface_egl.h"
 
 namespace gpu {
 
 class DCLayerTree;
 
@@ skipping 43 matching lines @@
   }
 
   scoped_refptr<base::TaskRunner> GetWindowTaskRunnerForTesting();
   const base::win::ScopedComPtr<IDXGISwapChain1>& swap_chain() const {
     return swap_chain_;
   }
 
   base::win::ScopedComPtr<IDXGISwapChain1> GetLayerSwapChainForTesting(
       size_t index) const;
 
+  const GpuDriverBugWorkarounds& workarounds() const { return workarounds_; }
+
  protected:
   ~DirectCompositionSurfaceWin() override;
 
  private:
   void ReleaseCurrentSurface();
   void InitializeSurface();
   // Release the texture that's currently being drawn to. If will_discard is
   // true then the surface should be discarded without swapping any contents
   // to it.
   void ReleaseDrawTexture(bool will_discard);
 
   ChildWindowWin child_window_;
 
+  GpuDriverBugWorkarounds workarounds_;
+
   HWND window_ = nullptr;
   // This is a placeholder surface used when not rendering to the
   // DirectComposition surface.
   EGLSurface default_surface_ = 0;
 
   // This is the real surface representing the backbuffer. It may be null
   // outside of a BeginDraw/EndDraw pair.
   EGLSurface real_surface_ = 0;
   gfx::Size size_ = gfx::Size(1, 1);
   bool first_swap_ = true;
@@ skipping 13 matching lines @@
   // Keep track of whether the texture has been rendered to, as the first draw
   // to it must overwrite the entire thing.
   bool has_been_rendered_to_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(DirectCompositionSurfaceWin);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_