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

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 9b20f0c1606fa98e688dcd556c340c91e88c6eb8..fec3991d2da7534764e78a637389eb496a126c4c 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -937,7 +937,7 @@ void Textfield::ShowContextMenuForView(View* source,
 // Textfield, DragController overrides:
 
 void Textfield::WriteDragDataForView(View* sender,
-                                     const gfx::Point& press_pt,
+                                     const gfx::PointF& press_pt,
                                      OSExchangeData* data) {
   const base::string16& selected_text(GetSelectedText());
   data->SetString(selected_text);
@@ -964,10 +964,10 @@ void Textfield::WriteDragDataForView(View* sender,
     controller_->OnWriteDragData(data);
 }
 
-int Textfield::GetDragOperationsForView(View* sender, const gfx::Point& p) {
+int Textfield::GetDragOperationsForView(View* sender, const gfx::PointF& p) {
   int drag_operations = ui::DragDropTypes::DRAG_COPY;
   if (!enabled() || text_input_type_ == ui::TEXT_INPUT_TYPE_PASSWORD ||
-      !GetRenderText()->IsPointInSelection(p)) {
+      !GetRenderText()->IsPointInSelection(gfx::ToFlooredPoint(p))) {
     drag_operations = ui::DragDropTypes::DRAG_NONE;
   } else if (sender == this && !read_only()) {
     drag_operations =
@@ -979,9 +979,10 @@ int Textfield::GetDragOperationsForView(View* sender, const gfx::Point& p) {
 }
 
 bool Textfield::CanStartDragForView(View* sender,
-                                    const gfx::Point& press_pt,
-                                    const gfx::Point& p) {
-  return initiating_drag_ && GetRenderText()->IsPointInSelection(press_pt);
+                                    const gfx::PointF& press_pt,
+                                    const gfx::PointF& p) {
+  return initiating_drag_ &&
+         GetRenderText()->IsPointInSelection(gfx::ToFlooredPoint(press_pt));
 }
 
 ////////////////////////////////////////////////////////////////////////////////