Devtools UI: Remove redundant tooltips

Source/devtools/front_end/bindings/ResourceUtils.js

Index: Source/devtools/front_end/bindings/ResourceUtils.js
diff --git a/Source/devtools/front_end/bindings/ResourceUtils.js b/Source/devtools/front_end/bindings/ResourceUtils.js
index 0c7375aeba08718f6130e59bd8b69c8ea75e9cdd..d304e59fc894ee9ebcc1f68b11156c4848fe14e9 100644
--- a/Source/devtools/front_end/bindings/ResourceUtils.js
+++ b/Source/devtools/front_end/bindings/ResourceUtils.js
@@ -177,9 +177,7 @@ WebInspector.linkifyURLAsNode = function(url, linkText, classes, isExternal, too
     if (href !== null)
         a.href = href;
     a.className = classes;
-    if (typeof tooltipText === "undefined")
-        a.title = url;

[dgozman, 2015/07/30 10:31:20]

This one needs explanation too.

[samli, 2015/08/03 01:16:26]

Updated. If the url is already displayed on the page, don't show an additional
tooltip. Also the condition (typeof tooltip !== "string") is unused.
This should also be Tooltip.install but it is in bindings/

-    else if (typeof tooltipText !== "string" || tooltipText.length)
+    if (tooltipText && tooltipText.length)
         a.title = tooltipText;
     a.textContent = linkText.trimMiddle(WebInspector.Linkifier.MaxLengthForDisplayedURLs);
     if (isExternal)