DevTools: move ui messages from SourceFrame to UISourceCodeFrame (step2)

third_party/WebKit/Source/devtools/front_end/platform/utilities.js

Index: third_party/WebKit/Source/devtools/front_end/platform/utilities.js
diff --git a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
index 7e972bf8de041cd79b1ddb4dc9ee099be5d599ba..93e797abd1d5ee7e7e4ea2debb883f2aea17a9b3 100644
--- a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
+++ b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
@@ -481,6 +481,7 @@ Object.defineProperty(Array.prototype, "remove",
     /**
      * @param {!T} value
      * @param {boolean=} firstOnly
+     * @return {boolean}
      * @this {Array.<!T>}
      * @template T
      */
@@ -488,16 +489,17 @@ Object.defineProperty(Array.prototype, "remove",
     {
         var index = this.indexOf(value);
         if (index === -1)
-            return;
+            return false;
         if (firstOnly) {
             this.splice(index, 1);
-            return;
+            return true;
         }
         for (var i = index + 1, n = this.length; i < n; ++i) {
             if (this[i] !== value)
                 this[index++] = this[i];
         }
         this.length = index;
+        return true;
     }
 });