Move FrameHost::m_subframeCount to Page

third_party/WebKit/Source/core/frame/FrameHost.h

Index: third_party/WebKit/Source/core/frame/FrameHost.h
diff --git a/third_party/WebKit/Source/core/frame/FrameHost.h b/third_party/WebKit/Source/core/frame/FrameHost.h
index 593a01dac0d68fc88328993efe9a5bd511e11a71..29e5ed4012b26772cd921b8809e0c1189b38ffc1 100644
--- a/third_party/WebKit/Source/core/frame/FrameHost.h
+++ b/third_party/WebKit/Source/core/frame/FrameHost.h
@@ -77,24 +77,14 @@ class CORE_EXPORT FrameHost final
 
   DECLARE_TRACE();
 
-  // Don't allow more than a certain number of frames in a page.
-  // This seems like a reasonable upper bound, and otherwise mutually
-  // recursive frameset pages can quickly bring the program to its knees
-  // with exponential growth in the number of frames.
-  static const int maxNumberOfFrames = 1000;
-  void incrementSubframeCount() { ++m_subframeCount; }
-  void decrementSubframeCount() {
-    ASSERT(m_subframeCount);
-    --m_subframeCount;
-  }
+  void incrementSubframeCount();
+  void decrementSubframeCount();
   int subframeCount() const;
 
  private:
   explicit FrameHost(Page&);
 
   const Member<Page> m_page;
-
-  int m_subframeCount;
 };
 
 }  // namespace blink