Revert of [DevTools] Add offset and scale to WebDeviceEmulationParams.

public/web/WebDeviceEmulationParams.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebDeviceEmulationParams_h
 #define WebDeviceEmulationParams_h
 
 #include "public/platform/WebRect.h"
 #include "public/platform/WebSize.h"
 
@@ skipping 15 matching lines @@
 
     // Emulated view size. Empty size means no override.
     WebSize viewSize;
 
     // Whether emulated view should be scaled down if necessary to fit into available space.
     bool fitToView;
 
     // Insets of emulated view inside available view space, in fit to view mode.
     WebSize viewInsets;
 
-    // Offset of emulated view inside available space, not in fit to view mode.
-    WebFloatPoint offset;
-
-    // Scale of emulated view inside available space, not in fit to view mode.
-    float scale;
-
     WebDeviceEmulationParams()
         : screenPosition(Desktop)
         , deviceScaleFactor(0)
-        , fitToView(false)
-        , scale(1) { }
+        , fitToView(false) { }
 };
 
 } // namespace blink
 
 #endif