Add xinput1_3.dll to checkbins' excluded_files

xinput1_3.dll is a Microsoft DirectX redist file. Unfortunately it's shipped
without /NXCOMPAT and /DYNAMICBASE.

This DLL is only be loaded when the user interacts with a gamepad.

BUG=79050

Review URL: http://codereview.chromium.org/8806020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113091 0039d316-1c4b-4281-b951-d872f2087c98

tools/checkbins/checkbins.py

@@ -30,7 +30,9 @@ MACHINE_TYPE_AMD64 = 0x8664
 # Windows guru for advice.
 EXCLUDED_FILES = ['chrome_frame_mini_installer.exe',
                   'mini_installer.exe',
-                  'wow_helper.exe']
+                  'wow_helper.exe',
+                  'xinput1_3.dll' # Microsoft DirectX redistributable.
+                  ]
 
 def IsPEFile(path):
   return (os.path.isfile(path) and