Switch to standard integer types in net/.

net/filter/mock_filter_context.cc

Index: net/filter/mock_filter_context.cc
diff --git a/net/filter/mock_filter_context.cc b/net/filter/mock_filter_context.cc
index ebcaa1865211a033c45f201d3bbaf069d2841cdd..2165aa05136a21ef66c861513d741c90cf3be445 100644
--- a/net/filter/mock_filter_context.cc
+++ b/net/filter/mock_filter_context.cc
@@ -48,7 +48,9 @@ MockFilterContext::SdchDictionariesAdvertised() const {
   return dictionaries_handle_.get();
 }
 
-int64 MockFilterContext::GetByteReadCount() const { return 0; }
+int64_t MockFilterContext::GetByteReadCount() const {
+  return 0;
+}
 
 int MockFilterContext::GetResponseCode() const { return response_code_; }