[Devtools] Regression fix for double toolbar for images in network

third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js

Index: third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js b/third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js
index a316ec37b3998595b8294d609638079f1f38e944..f61aec70bf6fc934091acd21ea121a75f68bc780 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js
@@ -55,12 +55,10 @@ WebInspector.RequestPreviewView.prototype = {
                 delete this._emptyWidget;
             }
 
-            if (!this._previewView) {
+            if (!this.innerView)

[lushnikov, 2016/08/03 18:42:14]

let's get rid of this.innerView! 

[allada, 2016/08/03 19:02:26]

Done.

                 this._createPreviewView(handlePreviewView.bind(this));
-            } else {
-                this.innerView = this._previewView;
-                handlePreviewView.call(this, this.innerView);
-            }
+            else
+                this.innerView.show(this.element);
         }
 
         /**
@@ -69,15 +67,14 @@ WebInspector.RequestPreviewView.prototype = {
          */
         function handlePreviewView(view)
         {
-            this._previewView = view;
-            this._previewView.show(this.element);
-            if (this._previewView instanceof WebInspector.View) {
+            this.innerView = view;
+            this.innerView.show(this.element);
+            if (this.innerView instanceof WebInspector.View) {
                 var toolbar = new WebInspector.Toolbar("network-item-preview-toolbar", this.element);
-                for (var item of /** @type {!WebInspector.View} */ (this._previewView).toolbarItems())
+                for (var item of /** @type {!WebInspector.View} */ (this.innerView).toolbarItems())
                     toolbar.appendToolbarItem(item);
             }
-            this.innerView = this._previewView;
-            this._previewViewHandledForTest(this._previewView);
+            this._previewViewHandledForTest(this.innerView);
         }
     },