Remove Frame::host() method

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

Index: third_party/WebKit/Source/core/frame/Frame.cpp
diff --git a/third_party/WebKit/Source/core/frame/Frame.cpp b/third_party/WebKit/Source/core/frame/Frame.cpp
index a3d935d830d1188a95059f777c4b59cf84ad33d0..964bf0cf7f301d9afb95c693dc7a15b9d494934b 100644
--- a/third_party/WebKit/Source/core/frame/Frame.cpp
+++ b/third_party/WebKit/Source/core/frame/Frame.cpp
@@ -33,7 +33,6 @@
 #include "bindings/core/v8/WindowProxyManager.h"
 #include "core/dom/DocumentType.h"
 #include "core/events/Event.h"
-#include "core/frame/FrameHost.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
@@ -98,12 +97,6 @@ Page* Frame::page() const {
   return m_page;
 }
 
-FrameHost* Frame::host() const {
-  if (m_page)
-    return &m_page->frameHost();
-  return nullptr;
-}
-
 bool Frame::isMainFrame() const {
   return !tree().parent();
 }