Introduce WebRemoteFrameBase to break dependencies on WebRemoteFrameImpl.

third_party/WebKit/Source/web/WebFrame.cpp

 // Copyright 2014 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.
 
 #include "public/web/WebFrame.h"
 
 #include <algorithm>
 #include "bindings/core/v8/WindowProxyManager.h"
 #include "core/HTMLNames.h"
 #include "core/dom/IncrementLoadEventDelayCount.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/WebLocalFrameBase.h"
+#include "core/frame/WebRemoteFrameBase.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/page/Page.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/heap/Handle.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "public/web/WebElement.h"
 #include "public/web/WebFrameOwnerProperties.h"
 #include "public/web/WebSandboxFlags.h"
 #include "web/OpenedFrameTracker.h"
 #include "web/RemoteFrameOwner.h"
-#include "web/WebRemoteFrameImpl.h"
 
 namespace blink {
 
 bool WebFrame::Swap(WebFrame* frame) {
   using std::swap;
   Frame* old_frame = ToCoreFrame(*this);
   if (!old_frame->IsAttached())
     return false;
 
   // Unload the current Document in this frame: this calls unload handlers,
@@ skipping 71 matching lines @@
       if (owner->IsLocal())
         ToHTMLFrameOwnerElement(owner)->SetWidget(local_frame.View());
     } else {
       local_frame.GetPage()->SetMainFrame(&local_frame);
       // This trace event is needed to detect the main frame of the
       // renderer in telemetry metrics. See crbug.com/692112#c11.
       TRACE_EVENT_INSTANT1("loading", "markAsMainFrame",
                            TRACE_EVENT_SCOPE_THREAD, "frame", &local_frame);
     }
   } else {
-    ToWebRemoteFrameImpl(frame)->InitializeCoreFrame(*page, owner, name);
+    ToWebRemoteFrameBase(frame)->InitializeCoreFrame(*page, owner, name);
   }
 
   if (parent_ && old_frame->HasReceivedUserGesture())
     ToCoreFrame(*frame)->SetDocumentHasReceivedUserGesture();
 
   ToCoreFrame(*frame)->GetWindowProxyManager()->SetGlobalProxies(
       global_proxies);
 
   parent_ = nullptr;
 
@@ skipping 157 matching lines @@
     return frame->IsLoading();
   return false;
 }
 
 WebFrame* WebFrame::FromFrame(Frame* frame) {
   if (!frame)
     return 0;
 
   if (frame->IsLocalFrame())
     return WebLocalFrameBase::FromFrame(ToLocalFrame(*frame));
-  return WebRemoteFrameImpl::FromFrame(ToRemoteFrame(*frame));
+  return WebRemoteFrameBase::FromFrame(ToRemoteFrame(*frame));
 }
 
 WebFrame::WebFrame(WebTreeScopeType scope)
     : scope_(scope),
       parent_(0),
       previous_sibling_(0),
       next_sibling_(0),
       first_child_(0),
       last_child_(0),
       opener_(0),
       opened_frame_tracker_(new OpenedFrameTracker) {}
 
 WebFrame::~WebFrame() {
   opened_frame_tracker_.reset(0);
 }
 
 void WebFrame::TraceFrame(Visitor* visitor, WebFrame* frame) {
   if (!frame)
     return;
 
   if (frame->IsWebLocalFrame())
     visitor->Trace(ToWebLocalFrameBase(frame));
   else
-    visitor->Trace(ToWebRemoteFrameImpl(frame));
+    visitor->Trace(ToWebRemoteFrameBase(frame));
 }
 
 void WebFrame::TraceFrames(Visitor* visitor, WebFrame* frame) {
   DCHECK(frame);
   TraceFrame(visitor, frame->parent_);
   for (WebFrame* child = frame->FirstChild(); child;
        child = child->NextSibling())
     TraceFrame(visitor, child);
 }
 
 void WebFrame::Close() {
   opened_frame_tracker_->Dispose();
 }
 
 void WebFrame::InitializeCoreFrame(WebFrame& frame, Page& page) {
   if (frame.IsWebLocalFrame())
     ToWebLocalFrameBase(frame).InitializeCoreFrame(page, 0, g_null_atom);
   else if (frame.IsWebRemoteFrame())
-    ToWebRemoteFrameImpl(frame).InitializeCoreFrame(page, 0, g_null_atom);
+    ToWebRemoteFrameBase(frame).InitializeCoreFrame(page, 0, g_null_atom);
   else
     NOTREACHED();
 }
 
 Frame* WebFrame::ToCoreFrame(const WebFrame& frame) {
   if (frame.IsWebLocalFrame())
     return ToWebLocalFrameBase(frame).GetFrame();
   if (frame.IsWebRemoteFrame())
-    return ToWebRemoteFrameImpl(frame).GetFrame();
+    return ToWebRemoteFrameBase(frame).GetFrame();
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace blink