Remove PlatformMouseEvent and use WebMouseEvent instead

third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp

Index: third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp b/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
index 81e70712aa4f1a83e4b755c430b9e8f30f2fe915..bf240b8a698e2162fa3b26d489175a7a8aa77398 100644
--- a/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
+++ b/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
@@ -538,9 +538,9 @@ void WebDevToolsAgentImpl::inspectElementAt(int sessionId,
                            WTF::monotonicallyIncreasingTimeMS());
   dummyEvent.x = pointInRootFrame.x;
   dummyEvent.y = pointInRootFrame.y;
-  IntPoint transformedPoint =
-      PlatformMouseEventBuilder(m_webLocalFrameImpl->frameView(), dummyEvent)
-          .position();
+  IntPoint transformedPoint = flooredIntPoint(
+      TransformWebMouseEvent(m_webLocalFrameImpl->frameView(), dummyEvent)
+          .positionInRootFrame());
   HitTestResult result(
       request,
       m_webLocalFrameImpl->frameView()->rootFrameToContents(transformedPoint));