DevTools: make web component anchor handling go the generic route.

Source/devtools/front_end/main/Main.js

Index: Source/devtools/front_end/main/Main.js
diff --git a/Source/devtools/front_end/main/Main.js b/Source/devtools/front_end/main/Main.js
index c5679f348c0da0a0c342067ae510ca1f644ee02a..674b19fc52c7aad001f1d96248f8e15a71b41caa 100644
--- a/Source/devtools/front_end/main/Main.js
+++ b/Source/devtools/front_end/main/Main.js
@@ -378,13 +378,17 @@ WebInspector.Main.prototype = {
 
     _documentClick: function(event)
     {
-        var anchor = event.target.enclosingNodeOrSelfWithNodeName("a");
+        var target = event.deepElementFromPoint();
+        var anchor = target.enclosingNodeOrSelfWithNodeName("a");

[aandrey, 2014/10/20 13:37:14]

"Uncaught TypeError: Cannot read property 'enclosingNodeOrSelfWithNodeName' of
null", source: chrome-devtools://devtools/bundled/main/Main.js (387)

         if (!anchor || !anchor.href)
             return;
 
         // Prevent the link from navigating, since we don't do any navigation by following links normally.
         event.consume(true);
 
+        if (anchor.preventFollow)
+            return;
+
         if (anchor.target === "_blank") {
             InspectorFrontendHost.openInNewTab(anchor.href);
             return;
@@ -392,7 +396,7 @@ WebInspector.Main.prototype = {
 
         function followLink()
         {
-            if (WebInspector.isBeingEdited(event.target))
+            if (WebInspector.isBeingEdited(target))
                 return;
             if (WebInspector.openAnchorLocationRegistry.dispatch({ url: anchor.href, lineNumber: anchor.lineNumber}))
                 return;