Fixing remaining VC++ 2015 64-bit build breaks

third_party/WebKit/Source/build/scripts/make_css_property_names.py

Index: third_party/WebKit/Source/build/scripts/make_css_property_names.py
diff --git a/third_party/WebKit/Source/build/scripts/make_css_property_names.py b/third_party/WebKit/Source/build/scripts/make_css_property_names.py
index 5049e0929636c55a05aacb0ad82d9d96962f201f..17d71a31f7de2f83d11315a161daf6c771484172 100755
--- a/third_party/WebKit/Source/build/scripts/make_css_property_names.py
+++ b/third_party/WebKit/Source/build/scripts/make_css_property_names.py
@@ -87,6 +87,13 @@ GPERF_TEMPLATE = """
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/WTFString.h"
 
+#ifdef _MSC_VER
+// Disable the warnings from casting a 64-bit pointer to 32-bit long

[Nico, 2015/11/16 21:31:07]

Can you say why that's safe here too?

Some of these make_ scripts have tests, but it looks like this one maybe
doesn't. If the try bots are happy, I suppose it's alright.

+// warning C4302: 'type cast': truncation from 'char (*)[28]' to 'long'
+// warning C4311: 'type cast': pointer truncation from 'char (*)[18]' to 'long'
+#pragma warning(disable : 4302 4311)
+#endif
+
 namespace blink {
 static const char propertyNameStringsPool[] = {
 %(property_name_strings)s