DevTools: Refactor linkifyRawLocation to use fallback url

LayoutTests/inspector/extensions/extensions-console-expected.txt

 CONSOLE MESSAGE: line 46: log message
 CONSOLE DEBUG: line 47: debug message
 CONSOLE WARNING: line 48: warning message
 CONSOLE ERROR: line 49: error message
 CONSOLE MESSAGE: line 50: log message with two parameters, an integer: %d and a string: %s
 CONSOLE MESSAGE: line 1: log message from evaluated code
 CONSOLE MESSAGE: line 46: log message
 CONSOLE DEBUG: line 47: debug message
 CONSOLE WARNING: line 48: warning message
 CONSOLE ERROR: line 49: error message
 CONSOLE MESSAGE: line 50: log message with two parameters, an integer: %d and a string: %s
 CONSOLE MESSAGE: line 1: log message from evaluated code
 Tests methods of webInspector.console extension API
 
 Started extension.
 Running tests...
 RUNNING TEST: extension_testAddConsoleMessages
 log message extensions-console.html:46 console-message console-log-level
 debug message extensions-console.html:47 console-message console-debug-level
 warning message extensions-console.html:48 console-message console-warning-level
 error message extensions-console.html:49 console-message console-error-level
 log message with two parameters, an integer: 42 and a string: foo extensions-console.html:50 console-message console-log-level
-log message from evaluated code console-message console-log-level
+log message from evaluated code (program):1 console-message console-log-level
 debug message from extension console-message console-debug-level
 log message from extension test-url.html:42 console-message console-log-level
 warning message from extension console-message console-warning-level
 error message from extension console-message console-error-level
 RUNNING TEST: extension_testGetConsoleMessages
 {
     0 : {
         line : 46
         severity : "log"
         text : "log message"
@@ skipping 91 matching lines @@
 }
 {
     0 : {
         line : 1
         severity : "log"
         text : "log message from evaluated code"
     }
 }
 All tests done.