Introduce the abstract class WebViewBase, to decouple WebViewImpl.

third_party/WebKit/Source/web/DevToolsEmulator.h

 // Copyright 2015 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 DevToolsEmulator_h
 #define DevToolsEmulator_h
 
 #include <memory>
 #include "platform/heap/Handle.h"
 #include "platform/wtf/Forward.h"
 #include "platform/wtf/Optional.h"
 #include "public/platform/PointerProperties.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebViewportStyle.h"
 #include "public/web/WebDeviceEmulationParams.h"
 #include "web/WebExport.h"
 
 namespace blink {
 
 class IntPoint;
 class IntRect;
 class TransformationMatrix;
 class WebInputEvent;
-class WebViewImpl;
+class WebViewBase;
 
 class WEB_EXPORT DevToolsEmulator final
     : public GarbageCollectedFinalized<DevToolsEmulator> {
  public:
   ~DevToolsEmulator();
-  static DevToolsEmulator* Create(WebViewImpl*);
+  static DevToolsEmulator* Create(WebViewBase*);
   DECLARE_TRACE();
 
   // Settings overrides.
   void SetTextAutosizingEnabled(bool);
   void SetDeviceScaleAdjustment(float);
   void SetPreferCompositingToLCDTextEnabled(bool);
   void SetViewportStyle(WebViewportStyle);
   void SetPluginsEnabled(bool);
   void SetScriptEnabled(bool);
   void SetDoubleTapToZoomEnabled(bool);
@@ skipping 17 matching lines @@
 
   // Notify the DevToolsEmulator about a scroll or scale change of the main
   // frame. Updates the transform for a viewport override.
   void MainFrameScrollOrScaleChanged();
 
   // Returns a custom visible content rect if a viewport override is active.
   // This ensures that all content inside the forced viewport is painted.
   WTF::Optional<IntRect> VisibleContentRectForPainting() const;
 
  private:
-  explicit DevToolsEmulator(WebViewImpl*);
+  explicit DevToolsEmulator(WebViewBase*);
 
   void EnableMobileEmulation();
   void DisableMobileEmulation();
 
   // Returns the original device scale factor when overridden by DevTools, or
   // deviceScaleFactor() otherwise.
   float CompositorDeviceScaleFactor() const;
 
   void ApplyDeviceEmulationTransform(TransformationMatrix*);
   void ApplyViewportOverride(TransformationMatrix*);
   void UpdateRootLayerTransform();
 
-  WebViewImpl* web_view_impl_;
+  WebViewBase* web_view_impl_;
 
   bool device_metrics_enabled_;
   bool emulate_mobile_enabled_;
   WebDeviceEmulationParams emulation_params_;
 
   struct ViewportOverride {
     WebFloatPoint position;
     double scale;
     bool original_visual_viewport_masking;
   };
@@ skipping 23 matching lines @@
   std::unique_ptr<IntPoint> last_pinch_anchor_css_;
   std::unique_ptr<IntPoint> last_pinch_anchor_dip_;
 
   bool embedder_script_enabled_;
   bool script_execution_disabled_;
 };
 
 }  // namespace blink
 
 #endif