Fixes regression in painting info bubble. This is the result of...

chrome/common/gfx/chrome_canvas.h

Index: chrome/common/gfx/chrome_canvas.h
===================================================================
--- chrome/common/gfx/chrome_canvas.h	(revision 13665)
+++ chrome/common/gfx/chrome_canvas.h	(working copy)
@@ -105,6 +105,9 @@
   void DrawRectInt(const SkColor& color, int x, int y, int w, int h,
                    SkPorterDuff::Mode mode);
 
+  // Draws a single pixel line with the specified color.
+  void DrawLineInt(const SkColor& color, int x1, int y1, int x2, int y2);
+
   // Draws a bitmap with the origin at the specified location. The upper left
   // corner of the bitmap is rendered at the specified location.
   void DrawBitmapInt(const SkBitmap& bitmap, int x, int y);