Remove Frame::host() method

third_party/WebKit/Source/core/frame/DOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/DOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/DOMWindow.cpp b/third_party/WebKit/Source/core/frame/DOMWindow.cpp
index b65fc3d37f617f964c41cf1f1840167eb4fcccce..33fcfd9883d8910924eb50b65071e4ad2a936c58 100644
--- a/third_party/WebKit/Source/core/frame/DOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/DOMWindow.cpp
@@ -69,7 +69,7 @@ Location* DOMWindow::location() const {
 }
 
 bool DOMWindow::closed() const {
-  return m_windowIsClosing || !frame() || !frame()->host();
+  return m_windowIsClosing || !frame() || !frame()->page();
 }
 
 unsigned DOMWindow::length() const {
@@ -118,7 +118,7 @@ DOMWindow* DOMWindow::anonymousIndexedGetter(uint32_t index) const {
 bool DOMWindow::isCurrentlyDisplayedInFrame() const {
   if (frame())
     SECURITY_CHECK(frame()->domWindow() == this);
-  return frame() && frame()->host();
+  return frame() && frame()->page();
 }
 
 bool DOMWindow::isInsecureScriptAccess(LocalDOMWindow& callingWindow,