Replace all spaces by '_' in the AppUserModelId

base/win/win_util.cc

Index: base/win/win_util.cc
diff --git a/base/win/win_util.cc b/base/win/win_util.cc
index 96507d55606bff674d69b34ba8bc98e33e4f7c42..2f2e7dc76214ca9ad8b4b2fae993f2688b1cb649 100644
--- a/base/win/win_util.cc
+++ b/base/win/win_util.cc
@@ -180,10 +180,10 @@ bool SetStringValueForPropertyStore(IPropertyStore* property_store,
 
 bool SetAppIdForPropertyStore(IPropertyStore* property_store,
                               const wchar_t* app_id) {
-  // App id should be less than 128 chars and contain no space. And recommended
+  // App id should be less than 64 chars and contain no space. And recommended
   // format is CompanyName.ProductName[.SubProduct.ProductNumber].
   // See http://msdn.microsoft.com/en-us/library/dd378459%28VS.85%29.aspx
-  DCHECK(lstrlen(app_id) < 128 && wcschr(app_id, L' ') == NULL);
+  DCHECK(lstrlen(app_id) < 64 && wcschr(app_id, L' ') == NULL);
 
   return SetStringValueForPropertyStore(property_store,
                                         PKEY_AppUserModel_ID,