OverscrollGlow for mainThread-{BLINK CHANGES}

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index b47a0c603ad6b2191718e9df1ba6be63a956af7a..53b795ee1fb8fe827ef00011187b60854d245e86 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -292,6 +292,14 @@ void ChromeClientImpl::show(NavigationPolicy navigationPolicy)
     m_webView->client()->show(policy);
 }
 
+void ChromeClientImpl::didOverScrollOnMainThread(FloatPoint& unusedDelta, FloatPoint& accumulatedRootOverScroll, FloatPoint& position, FloatPoint& velocity)
+{
+    if (!m_webView->client())
+        return;
+
+    m_webView->client()->didOverScrollOnMainThread(unusedDelta.x(), unusedDelta.y(), accumulatedRootOverScroll.x(), accumulatedRootOverScroll.y(), position.x(), position.y(), velocity.x(), velocity.y());
+}
+
 void ChromeClientImpl::setToolbarsVisible(bool value)
 {
     m_windowFeatures.toolBarVisible = value;