[Experimental] Supporting OOPIF printing

third_party/WebKit/Source/core/frame/RemoteFrameView.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 "core/frame/RemoteFrameView.h"
 
 #include "core/dom/IntersectionObserverEntry.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/RemoteFrameClient.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/api/LayoutPartItem.h"
+#include "core/paint/RemoteFramePainter.h"
+#include "third_party/WebKit/Source/platform/graphics/GraphicsContext.h"
+#include "third_party/WebKit/Source/platform/graphics/paint/CullRect.h"
 
 namespace blink {
 
 RemoteFrameView::RemoteFrameView(RemoteFrame* remoteFrame)
     : m_remoteFrame(remoteFrame) {
   ASSERT(remoteFrame);
 }
 
 RemoteFrameView::~RemoteFrameView() {}
 
@@ skipping 107 matching lines @@
   if (isParentVisible() == visible)
     return;
 
   Widget::setParentVisible(visible);
   if (!isSelfVisible())
     return;
 
   m_remoteFrame->client()->visibilityChanged(isVisible());
 }
 
+void RemoteFrameView::paint(GraphicsContext& context,
+                            const CullRect& rect) const {
+  if (!context.printing())
+    return;
+
+  IntRect bound(frameRect());
+  if (!rect.intersectsCullRect(bound))
+    return;
+
+  RemoteFramePainter(*this).paint(context, rect);
+}
+
+int RemoteFrameView::print(const IntRect& rect, int pageNum) const {
+  return m_remoteFrame->client()->print(rect, pageNum);
+}
+
+LayoutRect RemoteFrameView::visualRect() const {
+  return LayoutRect(frameRect());
+}
+
+String RemoteFrameView::debugName() const {
+  return "out of process frame";
+}
+
 DEFINE_TRACE(RemoteFrameView) {
   visitor->trace(m_remoteFrame);
   Widget::trace(visitor);
 }
 
 }  // namespace blink