[DevTools] Option to show device frames in emulation mode

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

Index: third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js
index 6ff51ae00079d4066db8b8e39da074c41f6a9189..40048c0a51c18656ac73c5a8105f527fff469a77 100644
--- a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js
@@ -235,6 +235,30 @@ WebInspector.DeviceModeModel.prototype = {
     },
 
     /**
+     * @return {string}
+     */
+    outlineImage: function()
+    {
+        return (this._device && this._mode) ? this._device.outlineImage(this._mode) : "";
+    },
+
+    /**
+     * @return {?Insets|string|null}
+     */
+    outlineInsets: function()
+    {
+        return (this._device && this._mode) ? this._device.outlineInsets(this._mode) : "";

[dgozman, 2016/02/09 21:15:10]

I believe you have to scale insets by this._scale.

[mmccoy, 2016/02/10 20:06:34]

It works well for all cases I tested, but is it okay to do this transform here? 
I don't see something similar being done for screenImage for example?

+    },
+
+    /**
+     * @return {?Object|string|null}
+     */
+    outlineDimensions: function()
+    {
+        return (this._device && this._mode) ? this._device.outlineDimensions(this._mode) : "";
+    },
+
+    /**
      * @return {!WebInspector.Rect}
      */
     screenRect: function()
@@ -426,7 +450,7 @@ WebInspector.DeviceModeModel.prototype = {
 
         if (this._type === WebInspector.DeviceModeModel.Type.Device) {
             var orientation = this._device.orientationByName(this._mode.orientation);
-            this._fitScale = this._calculateFitScale(orientation.width, orientation.height);
+            this._calculateFitScale(orientation.width, orientation.height);
             this._applyDeviceMetrics(new Size(orientation.width, orientation.height), this._mode.insets, this._scaleSetting.get(), this._device.deviceScaleFactor, this._device.mobile(), resetPageScaleFactor);
             this._applyUserAgent(this._device.userAgent);
             this._applyTouch(this._device.touch(), this._device.mobile());