Enable floating point touch co-ordinates in EventSender

WebTouchPoint has used floating point co-ordinate and radius values for awhile, but we've never allowed generating non-integer values via EventSender.

BUG=323935

Review URL: https://codereview.chromium.org/316303002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275340 0039d316-1c4b-4281-b951-d872f2087c98

content/shell/renderer/test_runner/event_sender.cc

@@ -633,7 +633,7 @@ void EventSenderBindings::ReleaseTouchPoint(unsigned index) {
 
 void EventSenderBindings::UpdateTouchPoint(unsigned index, double x, double y) {
   if (sender_)
-    sender_->UpdateTouchPoint(index, static_cast<int>(x), static_cast<int>(y));
+    sender_->UpdateTouchPoint(index, static_cast<float>(x), static_cast<float>(y));
 }
 
 void EventSenderBindings::CancelTouchPoint(unsigned index) {
@@ -1457,7 +1457,7 @@ void EventSender::ReleaseTouchPoint(unsigned index) {
   touch_point->state = WebTouchPoint::StateReleased;
 }
 
-void EventSender::UpdateTouchPoint(unsigned index, int x, int y) {
+void EventSender::UpdateTouchPoint(unsigned index, float x, float y) {
   if (index >= touch_points_.size()) {
     ThrowTouchPointError();
     return;
@@ -1615,8 +1615,8 @@ void EventSender::AddTouchPoint(gin::Arguments* args) {
 
   WebTouchPoint touch_point;
   touch_point.state = WebTouchPoint::StatePressed;
-  touch_point.position = WebFloatPoint(static_cast<int>(x),
-                                       static_cast<int>(y));
+  touch_point.position = WebFloatPoint(static_cast<float>(x),
+                                       static_cast<float>(y));
   touch_point.screenPosition = touch_point.position;
 
   if (!args->PeekNext().IsEmpty()) {
@@ -1634,8 +1634,8 @@ void EventSender::AddTouchPoint(gin::Arguments* args) {
       }
     }
 
-    touch_point.radiusX = static_cast<int>(radius_x);
-    touch_point.radiusY = static_cast<int>(radius_y);
+    touch_point.radiusX = static_cast<float>(radius_x);
+    touch_point.radiusY = static_cast<float>(radius_y);
   }
 
   int lowest_id = 0;

content/shell/renderer/test_runner/event_sender.h

@@ -103,7 +103,7 @@ class EventSender : public base::SupportsWeakPtr<EventSender> {
 
   void ClearTouchPoints();
   void ReleaseTouchPoint(unsigned index);
-  void UpdateTouchPoint(unsigned index, int x, int y);
+  void UpdateTouchPoint(unsigned index, float x, float y);
   void CancelTouchPoint(unsigned index);
   void SetTouchModifier(const std::string& key_name, bool set_mask);
   void SetTouchCancelable(bool cancelable);