Compute minimum widths for the toolbar components.

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 6a02f5ab24be5d7f503d4af1cccbc76822b2a17f..183d482e3219db6a8f7a88bc50870f53ab129052 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_view.h
+++ b/chrome/browser/ui/views/toolbar/toolbar_view.h
@@ -152,6 +152,7 @@ class ToolbarView : public views::AccessiblePaneView,
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
@@ -201,6 +202,9 @@ class ToolbarView : public views::AccessiblePaneView,
   // Returns the number of pixels above the location bar in non-normal display.
   int PopupTopSpacing() const;
 
+  // Given toolbar contents of size |size|, returns the total toolbar size.
+  gfx::Size SizeForContentSize(gfx::Size size) const;
+
   // Loads the images for all the child views.
   void LoadImages();