Fix the content_browsertests everywhere maybe.

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 81d3a4e7e172cf7ee2baf77302ce26c0c073839e..a7dd91b8787d6cb778d35b937c16e74ea19bb80d 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -467,11 +467,13 @@ gfx::NativeView RenderWidgetHostViewAura::GetNativeView() const {
 
 gfx::NativeViewId RenderWidgetHostViewAura::GetNativeViewId() const {
 #if defined(OS_WIN)
-  HWND window = window_->GetRootWindow()->GetAcceleratedWidget();
-  return reinterpret_cast<gfx::NativeViewId>(window);
-#else
-  return static_cast<gfx::NativeViewId>(NULL);
+  aura::RootWindow* root_window = window_->GetRootWindow();
+  if (root_window) {
+    HWND window = root_window->GetAcceleratedWidget();
+    return reinterpret_cast<gfx::NativeViewId>(window);
+  }
 #endif
+  return static_cast<gfx::NativeViewId>(NULL);
 }
 
 gfx::NativeViewAccessible RenderWidgetHostViewAura::GetNativeViewAccessible() {
@@ -624,6 +626,9 @@ void RenderWidgetHostViewAura::DidUpdateBackingStore(
   if (!scroll_rect.IsEmpty())
     SchedulePaintIfNotInClip(scroll_rect, clip_rect);
 
+#if defined(OS_WIN)
+  aura::RootWindow* root_window = window_->GetRootWindow();
+#endif
   for (size_t i = 0; i < copy_rects.size(); ++i) {
     gfx::Rect rect = gfx::SubtractRects(copy_rects[i], scroll_rect);
     if (rect.IsEmpty())
@@ -632,12 +637,14 @@ void RenderWidgetHostViewAura::DidUpdateBackingStore(
     SchedulePaintIfNotInClip(rect, clip_rect);
 
 #if defined(OS_WIN)
-    // Send the invalid rect in screen coordinates.
-    gfx::Rect screen_rect = GetViewBounds();
-    gfx::Rect invalid_screen_rect(rect);
-    invalid_screen_rect.Offset(screen_rect.x(), screen_rect.y());
-    HWND hwnd = window_->GetRootWindow()->GetAcceleratedWidget();
-    PaintPluginWindowsHelper(hwnd, invalid_screen_rect);
+    if (root_window) {
+      // Send the invalid rect in screen coordinates.
+      gfx::Rect screen_rect = GetViewBounds();
+      gfx::Rect invalid_screen_rect(rect);
+      invalid_screen_rect.Offset(screen_rect.x(), screen_rect.y());
+      HWND hwnd = root_window->GetAcceleratedWidget();
+      PaintPluginWindowsHelper(hwnd, invalid_screen_rect);
+    }
 #endif  // defined(OS_WIN)
   }
 }
@@ -1020,7 +1027,7 @@ void RenderWidgetHostViewAura::SetBackground(const SkBitmap& background) {
 }
 
 void RenderWidgetHostViewAura::GetScreenInfo(WebScreenInfo* results) {
-  GetScreenInfoForWindow(results, window_);
+  GetScreenInfoForWindow(results, window_->GetRootWindow() ? window_ : NULL);
 }
 
 gfx::Rect RenderWidgetHostViewAura::GetBoundsInRootWindow() {
@@ -1183,14 +1190,18 @@ gfx::Rect RenderWidgetHostViewAura::ConvertRectToScreen(const gfx::Rect& rect) {
   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
 
   aura::RootWindow* root_window = window_->GetRootWindow();
-  aura::client::ScreenPositionClient* screen_position_client =
-      aura::client::GetScreenPositionClient(root_window);
-  screen_position_client->ConvertPointToScreen(window_, &origin);
-  screen_position_client->ConvertPointToScreen(window_, &end);
-  return gfx::Rect(origin.x(),
-                   origin.y(),
-                   end.x() - origin.x(),
-                   end.y() - origin.y());
+  if (root_window) {
+    aura::client::ScreenPositionClient* screen_position_client =
+        aura::client::GetScreenPositionClient(root_window);
+    screen_position_client->ConvertPointToScreen(window_, &origin);
+    screen_position_client->ConvertPointToScreen(window_, &end);
+    return gfx::Rect(origin.x(),
+                     origin.y(),
+                     end.x() - origin.x(),
+                     end.y() - origin.y());
+  }
+
+  return rect;
 }
 
 gfx::Rect RenderWidgetHostViewAura::GetCaretBounds() {
@@ -1682,7 +1693,10 @@ void RenderWidgetHostViewAura::OnGestureEvent(ui::GestureEvent* event) {
 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
 
 bool RenderWidgetHostViewAura::ShouldActivate() const {
-  const ui::Event* event = window_->GetRootWindow()->current_event();
+  aura::RootWindow* root_window = window_->GetRootWindow();
+  if (!root_window)
+    return true;
+  const ui::Event* event = root_window->current_event();
   if (!event)
     return true;
   return is_fullscreen_;