[DevTools] Option to show device frames in emulation mode

third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js

Index: third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js
diff --git a/third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js b/third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js
index 80dfa6b53951ca93ee56f2258ac6019921cfd8ed..aca67d2cf0d885387277664521cf4ac2ef6a78da 100644
--- a/third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js
+++ b/third_party/WebKit/Source/devtools/front_end/emulation/EmulatedDevices.js
@@ -133,7 +133,6 @@ WebInspector.EmulatedDevice.fromJSONV1 = function(json)
                     throw new Error("Emulated device has wrong outline insets");
                 result.outlineImage = /** @type {string} */ (parseValue(json["outline"], "image", "string"));
             }
-
             return /** @type {!WebInspector.EmulatedDevice.Orientation} */ (result);
         }
 
@@ -307,6 +306,20 @@ WebInspector.EmulatedDevice.prototype = {
     },
 
     /**
+     * @param {!WebInspector.EmulatedDevice.Mode} mode
+     * @return {string}
+     */
+    outlineImage: function(mode)
+    {
+        var orientation = this.orientationByName(mode.orientation);
+        if (!orientation.outlineImage)
+            return "";
+        if (!this._extension)
+            return orientation.outlineImage;
+        return this._extension.module().substituteURL(orientation.outlineImage);
+    },
+
+    /**
      * @param {string} name
      * @return {!WebInspector.EmulatedDevice.Orientation}
      */