OverscrollGlow for mainThread-{BLINK CHANGES}

Source/web/WebPluginScrollbarImpl.cpp

Index: Source/web/WebPluginScrollbarImpl.cpp
diff --git a/Source/web/WebPluginScrollbarImpl.cpp b/Source/web/WebPluginScrollbarImpl.cpp
index 5da18b4ebeee3a4b99746ffdd9e1761b95cfdf6e..094a1b8e622ce58cc84a2f8ebc249dfb7209999e 100644
--- a/Source/web/WebPluginScrollbarImpl.cpp
+++ b/Source/web/WebPluginScrollbarImpl.cpp
@@ -323,7 +323,7 @@ bool WebPluginScrollbarImpl::onMouseWheel(const WebInputEvent& event)
 {
     WebMouseWheelEvent mousewheel = static_cast<const WebMouseWheelEvent&>(event);
     PlatformWheelEventBuilder platformEvent(m_scrollbar.get(), mousewheel);
-    return m_group->handleWheel(platformEvent).didScroll;
+    return m_group->handleWheel(platformEvent).didScroll();
 }
 
 bool WebPluginScrollbarImpl::onKeyDown(const WebInputEvent& event)
@@ -358,7 +358,7 @@ bool WebPluginScrollbarImpl::onKeyDown(const WebInputEvent& event)
     blink::ScrollGranularity scrollGranularity;
     if (WebViewImpl::mapKeyCodeForScroll(keyCode, &scrollDirection, &scrollGranularity)) {
         // Will return false if scroll direction wasn't compatible with this scrollbar.
-        return m_group->scroll(scrollDirection, scrollGranularity);
+        return m_group->scroll(scrollDirection, scrollGranularity).didScroll;
     }
     return false;
 }