Draw popup window toolbars as only containing a location bar.

chrome/browser/ui/views/toolbar/toolbar_view.h

Index: chrome/browser/ui/views/toolbar/toolbar_view.h
diff --git a/chrome/browser/ui/views/toolbar/toolbar_view.h b/chrome/browser/ui/views/toolbar/toolbar_view.h
index 08c3f99ac1c997d60d50fc0c94ba0932dec155b8..e04578867aa18ce0b819feefe8cea778a007c380 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_view.h
+++ b/chrome/browser/ui/views/toolbar/toolbar_view.h
@@ -144,15 +144,10 @@ class ToolbarView : public views::AccessiblePaneView,
   gfx::Size GetPreferredSize() const override;
   gfx::Size GetMinimumSize() const override;
   void Layout() override;
-  void OnPaint(gfx::Canvas* canvas) override;
   void OnThemeChanged() override;
   const char* GetClassName() const override;
   bool AcceleratorPressed(const ui::Accelerator& acc) override;
 
-  // Whether the toolbar view needs its background painted by the
-  // BrowserNonClientFrameView.
-  bool ShouldPaintBackground() const;
-
   enum {
     // The apparent horizontal space between most items, and the vertical
     // padding above and below them.