DevTools: Create 2D slider for shadow-editor offset

third_party/WebKit/Source/devtools/front_end/common/Geometry.js

Index: third_party/WebKit/Source/devtools/front_end/common/Geometry.js
diff --git a/third_party/WebKit/Source/devtools/front_end/common/Geometry.js b/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
index 716b9ea93d543dffde67408f6b0704cf994d4c10..71dd6d7ac0b0f80748c383bae26e225fdebd282a 100644
--- a/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
+++ b/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
@@ -90,6 +90,15 @@ WebInspector.Geometry.Point.prototype = {
     },
 
     /**
+     * @param {number} scalar
+     */
+    scale: function(scalar)
+    {
+        this.x *= scalar;

[lushnikov, 2016/08/31 00:48:03]

let's return a new object instead of mutating

[flandy, 2016/08/31 01:35:05]

Done.

+        this.y *= scalar;
+    },
+
+    /**
      * @override
      * @return {string}
      */