Rename VisualViewport properties to match updated spec

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2239 matching lines @@
       margin_bottom, margin_left);
 }
 
 float Internals::pageScaleFactor(ExceptionState& exception_state) {
   if (!document_->GetPage()) {
     exception_state.ThrowDOMException(
         kInvalidAccessError, "The document's page cannot be retrieved.");
     return 0;
   }
   Page* page = document_->GetPage();
-  return page->GetVisualViewport().PageScale();
+  return page->GetVisualViewport().Scale();
 }
 
 void Internals::setPageScaleFactor(float scale_factor,
                                    ExceptionState& exception_state) {
   if (scale_factor <= 0)
     return;
   if (!document_->GetPage()) {
     exception_state.ThrowDOMException(
         kInvalidAccessError, "The document's page cannot be retrieved.");
     return;
@@ skipping 1010 matching lines @@
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 void Internals::setIsLowEndDevice(bool is_low_end_device) {
   MemoryCoordinator::SetIsLowEndDeviceForTesting(is_low_end_device);
 }
 
 }  // namespace blink