High Precision Input for Nacl

Remove the code rounding nacl input event to integers.

BUG=chromium:828486

Change-Id: Icd60c7c8e133e8bd0143712a779feb24059ac62d
Reviewed-on: https://chromium-review.googlesource.com/993152
Commit-Queue: Jingkui Wang <jkwang@google.com>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547845}

third_party/WebKit/Source/core/exported/WebPluginContainerImpl.cpp

@@ -936,11 +936,9 @@ WebTouchEvent WebPluginContainerImpl::TransformTouchEvent(
     // Translate the root frame position to content coordinates.
     absolute_location = parent.RootFrameToContents(absolute_location);
 
-    IntPoint local_point =
-        RoundedIntPoint(element_->GetLayoutObject()->AbsoluteToLocal(
-            absolute_location, kUseTransforms));
-    transformed_event.touches[i].SetPositionInWidget(local_point.X(),
-                                                     local_point.Y());
+    FloatPoint local_point = element_->GetLayoutObject()->AbsoluteToLocal(
+        absolute_location, kUseTransforms);
+    transformed_event.touches[i].SetPositionInWidget(local_point);
   }
   return transformed_event;
 }