Low memory page navigation GC for low end devices

third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.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 WindowProxyManager_h
 #define WindowProxyManager_h
 
 #include <utility>
 
 #include "bindings/core/v8/LocalWindowProxy.h"
@@ skipping 10 matching lines @@
 class SecurityOrigin;
 
 class WindowProxyManager : public GarbageCollected<WindowProxyManager> {
  public:
   DECLARE_TRACE();
 
   v8::Isolate* GetIsolate() const { return isolate_; }
 
   void ClearForClose();
   void CORE_EXPORT ClearForNavigation();
+  void ClearForSwap();
 
   // Global proxies are passed in a vector to maintain their order: global proxy
   // object for the main world is always first. This is needed to prevent bugs
   // like https://crbug.com/700077 .
   using GlobalProxyVector =
       Vector<std::pair<DOMWrapperWorld*, v8::Local<v8::Object>>>;
   void CORE_EXPORT ReleaseGlobalProxies(GlobalProxyVector&);
   void CORE_EXPORT SetGlobalProxies(const GlobalProxyVector&);
 
   WindowProxy* MainWorldProxy() {
@@ skipping 78 matching lines @@
  private:
   explicit RemoteWindowProxyManager(RemoteFrame& frame)
       : WindowProxyManagerImplHelper<RemoteFrame, RemoteWindowProxy>(
             frame,
             FrameType::kRemote) {}
 };
 
 }  // namespace blink
 
 #endif  // WindowProxyManager_h