views: Update event-related API to use PointF/RectF instead of Point/Rect.

ui/views/controls/link.cc

Index: ui/views/controls/link.cc
diff --git a/ui/views/controls/link.cc b/ui/views/controls/link.cc
index 84ff1de5eebdbb317658fb15fd62b16ba14b6c00..9ca7d1b7cc8ac8a5bc941c26a4794c0238b1e0aa 100644
--- a/ui/views/controls/link.cc
+++ b/ui/views/controls/link.cc
@@ -51,7 +51,7 @@ gfx::NativeCursor Link::GetCursor(const ui::MouseEvent& event) {
   return GetNativeHandCursor();
 }
 
-bool Link::HitTestRect(const gfx::Rect& rect) const {
+bool Link::HitTestRect(const gfx::RectF& rect) const {
   // We need to allow clicks on the link. So we override the implementation in
   // Label and use the default implementation of View.
   return View::HitTestRect(rect);