Make intsafe.h workaround global

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index aa204740485399270651baaaf82582f169f597fd..c268d9997355f982a96db0fdf3ea708d47a95571 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -522,7 +522,6 @@
                   # /MP conflicts with #import directive so we limit the number
                   # of processes to spawn to 1.
                   'AdditionalOptions': ['/MP1'],
-                  'ForcedIncludeFiles': [ 'build/intsafe_workaround.h' ],
                 },
               },
             }],
@@ -2913,11 +2912,6 @@
               '-lwtsapi32.lib',
             ],
           },
-          'msvs_settings': {
-            'VCCLCompilerTool': {
-              'ForcedIncludeFiles': [ 'build/intsafe_workaround.h' ],
-            },
-          },
         }],
         [ 'OS=="mac" or (OS=="linux" and chromeos==0)', {
           # Javascript unittests are disabled on CrOS because they cause