Deleted Widget/FrameViewBase

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 2c69b39b30043c0cbfedae98e1a6a96c7cc148e4..0127e29b27de6bbd9ef8bb1f455c9b0e474ec1df 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -4747,6 +4747,46 @@ IntPoint FrameView::ConvertToRootFrame(const IntPoint& local_point) const {
   return local_point;
 }
 
+IntRect FrameView::ConvertFromRootFrame(
+    const IntRect& rect_in_root_frame) const {
+  if (parent_) {
+    IntRect parent_rect = parent_->ConvertFromRootFrame(rect_in_root_frame);
+    return ConvertFromContainingFrameView(parent_rect);
+  }
+  return rect_in_root_frame;
+}
+
+IntPoint FrameView::ConvertFromRootFrame(
+    const IntPoint& point_in_root_frame) const {
+  if (parent_) {
+    IntPoint parent_point = parent_->ConvertFromRootFrame(point_in_root_frame);
+    return ConvertFromContainingFrameView(parent_point);
+  }
+  return point_in_root_frame;
+}
+
+FloatPoint FrameView::ConvertFromRootFrame(
+    const FloatPoint& point_in_root_frame) const {
+  // FrameViews / windows are required to be IntPoint aligned, but we may
+  // need to convert FloatPoint values within them (eg. for event
+  // co-ordinates).
+  IntPoint floored_point = FlooredIntPoint(point_in_root_frame);
+  FloatPoint parent_point = ConvertFromRootFrame(floored_point);
+  FloatSize window_fraction = point_in_root_frame - floored_point;
+  // Use linear interpolation handle any fractional value (eg. for iframes
+  // subject to a transform beyond just a simple translation).
+  // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs.
+  if (!window_fraction.IsEmpty()) {
+    const int kFactor = 1000;
+    IntPoint parent_line_end = ConvertFromRootFrame(
+        floored_point + RoundedIntSize(window_fraction.ScaledBy(kFactor)));
+    FloatSize parent_fraction =
+        (parent_line_end - parent_point).ScaledBy(1.0f / kFactor);
+    parent_point.Move(parent_fraction);
+  }
+  return parent_point;
+}
+
 IntPoint FrameView::ConvertFromContainingFrameViewToScrollbar(
     const Scrollbar& scrollbar,
     const IntPoint& parent_point) const {