Sets the default background color of inline signin and user manager to grey

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 4df2d63833a4e8510865af3722c37c649bbede38..a735aff095f707f38d36f69c7fe8b78be89dc7c5 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -495,7 +495,7 @@ void RenderWidgetHostViewAura::InitAsChild(
   window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
   window_->Init(aura::WINDOW_LAYER_SOLID_COLOR);
   window_->SetName("RenderWidgetHostViewAura");
-  window_->layer()->SetColor(SK_ColorWHITE);
+  window_->layer()->SetColor(background_color_);
 }
 
 void RenderWidgetHostViewAura::InitAsPopup(
@@ -524,7 +524,7 @@ void RenderWidgetHostViewAura::InitAsPopup(
   window_->SetType(ui::wm::WINDOW_TYPE_MENU);
   window_->Init(aura::WINDOW_LAYER_SOLID_COLOR);
   window_->SetName("RenderWidgetHostViewAura");
-  window_->layer()->SetColor(SK_ColorWHITE);
+  window_->layer()->SetColor(background_color_);
 
   // Setting the transient child allows for the popup to get mouse events when
   // in a system modal dialog. Do this before calling ParentWindowWithContext
@@ -553,7 +553,7 @@ void RenderWidgetHostViewAura::InitAsFullscreen(
   window_->Init(aura::WINDOW_LAYER_SOLID_COLOR);
   window_->SetName("RenderWidgetHostViewAura");
   window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
-  window_->layer()->SetColor(SK_ColorWHITE);
+  window_->layer()->SetColor(background_color_);
 
   aura::Window* parent = NULL;
   gfx::Rect bounds;
@@ -824,12 +824,12 @@ gfx::Rect RenderWidgetHostViewAura::GetViewBounds() const {
   return window_->GetBoundsInScreen();
 }
 
-void RenderWidgetHostViewAura::SetBackgroundOpaque(bool opaque) {
-  RenderWidgetHostViewBase::SetBackgroundOpaque(opaque);
+void RenderWidgetHostViewAura::SetBackgroundColor(SkColor color) {
+  RenderWidgetHostViewBase::SetBackgroundColor(color);
+  bool opaque = GetBackgroundOpaque();
   host_->SetBackgroundOpaque(opaque);
   window_->layer()->SetFillsBoundsOpaquely(opaque);
-  SkColor background_color = opaque ? SK_ColorWHITE : SK_ColorTRANSPARENT;
-  window_->layer()->SetColor(background_color);
+  window_->layer()->SetColor(color);
 }
 
 gfx::Size RenderWidgetHostViewAura::GetVisibleViewportSize() const {