Move FrameHost::m_subframeCount to Page

third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp b/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
index 0efebb766aca2cd98e06e3f806719037c619870d..9aaebf4c7cfc65c1f309d1b527187eb9c5ab9933 100644
--- a/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
@@ -33,6 +33,7 @@
 #include "core/layout/api/LayoutPartItem.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
+#include "core/page/Page.h"
 #include "core/plugins/PluginView.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
@@ -312,8 +313,7 @@ bool HTMLFrameOwnerElement::loadOrRedirectSubframe(
   if (!SubframeLoadingDisabler::canLoadFrame(*this))
     return false;
 
-  if (document().frame()->host()->subframeCount() >=
-      FrameHost::maxNumberOfFrames)
+  if (document().frame()->host()->subframeCount() >= Page::maxNumberOfFrames)
     return false;
 
   FrameLoadRequest frameLoadRequest(&document(), url, "_self",