cleanup: Cleanup the TileImageInt APIs

chrome/browser/ui/views/frame/browser_header_painter_ash.cc

Index: chrome/browser/ui/views/frame/browser_header_painter_ash.cc
diff --git a/chrome/browser/ui/views/frame/browser_header_painter_ash.cc b/chrome/browser/ui/views/frame/browser_header_painter_ash.cc
index cd417c74d39b13c9d079a5555a30a9382103f4f9..3db414ddd9b776a0cd19779e69b1b394628d46a9 100644
--- a/chrome/browser/ui/views/frame/browser_header_painter_ash.cc
+++ b/chrome/browser/ui/views/frame/browser_header_painter_ash.cc
@@ -82,7 +82,7 @@ void PaintFrameImagesInRoundRect(gfx::Canvas* canvas,
   } else if (frame_overlay_image.isNull()) {
     flags.setAlpha(alpha);
     canvas->TileImageInt(frame_image, image_inset_x, 0, 0, 0, bounds.width(),
-                         bounds.height(), &flags);
+                         bounds.height(), 1.0f, &flags);
   } else {
     flags.setAlpha(alpha);
     canvas->SaveLayerWithFlags(flags);