Fix Chrome OS compile after 4b099f9d broke it.

TBR=sky@chromium.org,dcheng@chromium.org

Bug: none
Change-Id: I0e6ee1377df56412d3b000808de5a7d5382c33b2
Reviewed-on: https://chromium-review.googlesource.com/1249532Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594748}

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

@@ -90,11 +90,11 @@ void PaintFrameImagesInRoundRect(gfx::Canvas* canvas,
                                  int image_inset_y,
                                  int alpha,
                                  int corner_radius) {
-  const SkScalar corner_radius = SkIntToScalar(corner_radius);
-  const SkScalar radii[8] = {corner_radius,
-                             corner_radius,  // top-left
-                             corner_radius,
-                             corner_radius,  // top-right
+  const SkScalar sk_corner_radius = SkIntToScalar(corner_radius);
+  const SkScalar radii[8] = {sk_corner_radius,
+                             sk_corner_radius,  // top-left
+                             sk_corner_radius,
+                             sk_corner_radius,  // top-right
                              0,
                              0,  // bottom-right
                              0,