Clear highlight when the highlighted node gets removed from the document

Source/WebKit/chromium/src/LinkHighlight.h

Index: Source/WebKit/chromium/src/LinkHighlight.h
diff --git a/Source/WebKit/chromium/src/LinkHighlight.h b/Source/WebKit/chromium/src/LinkHighlight.h
index 3b574a7378378569768b78638d9bea82cb96c91c..0f3689a1a69358de1a1b3fb4130ac08cc642f27e 100644
--- a/Source/WebKit/chromium/src/LinkHighlight.h
+++ b/Source/WebKit/chromium/src/LinkHighlight.h
@@ -69,6 +69,9 @@ public:
     virtual WebLayer* layer() OVERRIDE;
     virtual void clearCurrentGraphicsLayer() OVERRIDE;
 
+    // For test only
+    WebCore::GraphicsLayerChromium* currentGraphicsLayer() const { return m_currentGraphicsLayer; }

[jamesr, 2013/05/06 21:06:51]

could you suffix the function name with 'ForTesting'? then you don't need the
command and it's clear in all code that this is meant for testing

+
 private:
     LinkHighlight(WebCore::Node*, WebViewImpl*);