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

public/web/WebDeviceEmulationParams.h

Index: public/web/WebDeviceEmulationParams.h
diff --git a/public/web/WebDeviceEmulationParams.h b/public/web/WebDeviceEmulationParams.h
index 34feee59bacc07bcf58f34e525918e5c07e78f39..0816ca659528ed3b12e898df6341f7ecfb876cb1 100644
--- a/public/web/WebDeviceEmulationParams.h
+++ b/public/web/WebDeviceEmulationParams.h
@@ -33,17 +33,10 @@
     // 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