Defer iframe JavaScript URL evaluation

Source/core/fetch/ResourceFetcher.cpp

Index: Source/core/fetch/ResourceFetcher.cpp
diff --git a/Source/core/fetch/ResourceFetcher.cpp b/Source/core/fetch/ResourceFetcher.cpp
index f82d3bdf28d6933f57d241eaf6c145e02a9cdb3d..fa0e0140a1014d0ccd5c69456ce8cc4a746e4b3e 100644
--- a/Source/core/fetch/ResourceFetcher.cpp
+++ b/Source/core/fetch/ResourceFetcher.cpp
@@ -1099,7 +1099,7 @@ void ResourceFetcher::incrementRequestCount(const Resource* res)
     if (res->ignoreForRequestCount())
         return;
 
-    ++m_requestCount;
+    incrementRequestCount();
 }
 
 void ResourceFetcher::decrementRequestCount(const Resource* res)
@@ -1107,6 +1107,16 @@ void ResourceFetcher::decrementRequestCount(const Resource* res)
     if (res->ignoreForRequestCount())
         return;
 
+    decrementRequestCount();
+}
+
+void ResourceFetcher::incrementRequestCount()
+{
+    ++m_requestCount;
+}
+
+void ResourceFetcher::decrementRequestCount()
+{
     --m_requestCount;
     ASSERT(m_requestCount > -1);
 }