DevTools: Tweak v8 code objects name parsing.

Source/devtools/front_end/common/ParsedURL.js

Index: Source/devtools/front_end/common/ParsedURL.js
diff --git a/Source/devtools/front_end/common/ParsedURL.js b/Source/devtools/front_end/common/ParsedURL.js
index 0ed9aaad6d6dac49de266f3839d6a5659a6e96a2..2079651e6065b439efbe8208e726cd8c146a5645 100644
--- a/Source/devtools/front_end/common/ParsedURL.js
+++ b/Source/devtools/front_end/common/ParsedURL.js
@@ -259,26 +259,27 @@ WebInspector.ParsedURL.prototype = {
 
 /**
  * @param {string} string
- * @return {?{url: string, lineNumber: (number|undefined), columnNumber: (number|undefined)}}
+ * @return {!{url: string, lineNumber: (number|undefined), columnNumber: (number|undefined)}}
  */
 WebInspector.ParsedURL.splitLineAndColumn = function(string)
 {
-    var lineColumnRegEx = /:(\d+)(:(\d+))?$/;
+    var lineColumnRegEx = /(?::(\d+))?(?::(\d+))?$/;
     var lineColumnMatch = lineColumnRegEx.exec(string);
     var lineNumber;
     var columnNumber;
-    if (!lineColumnMatch)
-        return null;
+    console.assert(lineColumnMatch);
 
-    lineNumber = parseInt(lineColumnMatch[1], 10);
-    // Immediately convert line and column to 0-based numbers.
-    lineNumber = isNaN(lineNumber) ? undefined : lineNumber - 1;
-    if (typeof(lineColumnMatch[3]) === "string") {
-        columnNumber = parseInt(lineColumnMatch[3], 10);
+    if (typeof(lineColumnMatch[1]) === "string") {
+        lineNumber = parseInt(lineColumnMatch[1], 10);
+        // Immediately convert line and column to 0-based numbers.
+        lineNumber = isNaN(lineNumber) ? undefined : lineNumber - 1;
+    }
+    if (typeof(lineColumnMatch[2]) === "string") {
+        columnNumber = parseInt(lineColumnMatch[2], 10);
         columnNumber = isNaN(columnNumber) ? undefined : columnNumber - 1;
     }
 
-    return { url: string.substring(0, string.length - lineColumnMatch[0].length), lineNumber: lineNumber, columnNumber: columnNumber};
+    return {url: string.substring(0, string.length - lineColumnMatch[0].length), lineNumber: lineNumber, columnNumber: columnNumber};
 }
 
 /**