Bug 1618759 - Part 2. Support decimal and search value for inputmode. r=masayuki

Current WHATWG spec means that `numeric` is `IS_DIGITS` and `decimal` is
`IS_NUMBER`.

Depends on D68312

Differential Revision: https://phabricator.services.mozilla.com/D68313

--HG--
extra : moz-landing-system : lando

widget/windows/WinIMEHandler.cpp

@@ -706,9 +706,17 @@ void IMEHandler::AppendInputScopeFromInputmode(const nsAString& aInputmode,
     return;
   }
   if (aInputmode.EqualsLiteral("numeric")) {
+    aScopes.AppendElement(IS_DIGITS);
+    return;
+  }
+  if (aInputmode.EqualsLiteral("decimal")) {
     aScopes.AppendElement(IS_NUMBER);
     return;
   }
+  if (aInputmode.EqualsLiteral("search")) {
+    aScopes.AppendElement(IS_SEARCH);
+    return;
+  }
 }
 
 // static