Implement pointer lock API for out-of-process iframes.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 10d9ebe4ead69633007cd75d57d3fdb87564f89f..636f1c2e4aa6cc06c114a0570881027266c8fceb 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -39,7 +39,6 @@
 #include "content/public/common/top_controls_state.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/renderer/render_view.h"
-#include "content/renderer/mouse_lock_dispatcher.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_widget.h"
 #include "content/renderer/render_widget_owner_delegate.h"
@@ -121,7 +120,6 @@ namespace content {
 
 class HistoryController;
 class HistoryEntry;
-class MouseLockDispatcher;
 class PageState;
 class RenderViewImplTest;
 class RenderViewObserver;
@@ -194,10 +192,6 @@ class CONTENT_EXPORT RenderViewImpl
     send_content_state_immediately_ = value;
   }
 
-  MouseLockDispatcher* mouse_lock_dispatcher() {
-    return mouse_lock_dispatcher_;
-  }
-
   HistoryController* history_controller() {
     return history_controller_.get();
   }
@@ -293,9 +287,6 @@ class CONTENT_EXPORT RenderViewImpl
   // Most methods are handled by RenderWidget.
   void didFocus() override;
   void show(blink::WebNavigationPolicy policy) override;
-  bool requestPointerLock() override;
-  void requestPointerUnlock() override;
-  bool isPointerLocked() override;
   void didHandleGestureEvent(const blink::WebGestureEvent& event,
                              bool event_cancelled) override;
   void onMouseDown(const blink::WebNode& mouse_down_node) override;
@@ -900,9 +891,6 @@ class CONTENT_EXPORT RenderViewImpl
   // initialized.
   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
 
-  // Mouse Lock dispatcher attached to this view.
-  MouseLockDispatcher* mouse_lock_dispatcher_;
-
   std::unique_ptr<HistoryController> history_controller_;
 
 #if defined(OS_ANDROID)
@@ -946,9 +934,6 @@ class CONTENT_EXPORT RenderViewImpl
   // is fine.
   base::ObserverList<RenderViewObserver> observers_;
 
-  // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
-  std::unique_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
-
   // This field stores drag/drop related info for the event that is currently
   // being handled. If the current event results in starting a drag/drop
   // session, this info is sent to the browser along with other drag/drop info.