Make TestRenderWidgetHostView::Show/Hide call through to RWHI

content/browser/renderer_host/render_widget_host_view_base.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
@@ skipping 383 matching lines @@
 
 void RenderWidgetHostViewBase::SetBackgroundColorToDefault() {
   SetBackgroundColor(SK_ColorWHITE);
 }
 
 bool RenderWidgetHostViewBase::GetBackgroundOpaque() {
   return SkColorGetA(background_color_) == SK_AlphaOPAQUE;
 }
 
 gfx::Size RenderWidgetHostViewBase::GetPhysicalBackingSize() const {
-  gfx::Display display =
-      gfx::Screen::GetScreen()->GetDisplayNearestWindow(GetNativeView());
+  gfx::Screen* screen = gfx::Screen::GetScreen();
+  if (!screen)
+    return gfx::Size();
+  gfx::Display display = screen->GetDisplayNearestWindow(GetNativeView());
   return gfx::ScaleToCeiledSize(GetRequestedRendererSize(),
                                 display.device_scale_factor());
 }
 
 bool RenderWidgetHostViewBase::DoTopControlsShrinkBlinkSize() const {
   return false;
 }
 
 float RenderWidgetHostViewBase::GetTopControlsHeight() const {
   return 0.f;
@@ skipping 279 matching lines @@
 }
 
 void RenderWidgetHostViewBase::TransformPointToLocalCoordSpace(
     const gfx::Point& point,
     cc::SurfaceId original_surface,
     gfx::Point* transformed_point) {
   *transformed_point = point;
 }
 
 }  // namespace content