ash: Export some constants for some code cleanup.

ash/wm/frame_painter.cc

Index: ash/wm/frame_painter.cc
diff --git a/ash/wm/frame_painter.cc b/ash/wm/frame_painter.cc
index 80f8f4ea3ce031405f7a9afe0ffa59d92e764b13..10fbbc69788f508ae6ed4f4485b6aacc6b17e1b8 100644
--- a/ash/wm/frame_painter.cc
+++ b/ash/wm/frame_painter.cc
@@ -33,16 +33,6 @@ namespace {
 // TODO(jamescook): Border is specified to be a single pixel overlapping
 // the web content and may need to be built into the shadow layers instead.
 const int kBorderThickness = 0;
-// In the window corners, the resize areas don't actually expand bigger, but the
-// 16 px at the end of each edge triggers diagonal resizing.
-const int kResizeAreaCornerSize = 16;
-// Ash windows do not have a traditional visible window frame. Window content
-// extends to the edge of the window. We consider a small region outside the
-// window bounds and an even smaller region overlapping the window to be the
-// "non-client" area and use it for resizing.
-const int kResizeOutsideBoundsSizeTouch = 30;
-const int kResizeOutsideBoundsSize = 6;
-const int kResizeInsideBoundsSize = 1;
 // Space between left edge of window and popup window icon.
 const int kIconOffsetX = 4;
 // Space between top of window and popup window icon.