clang-format: [JS] Don't indent in goog.scope blocks.

Before:
  goog.scope(function() {
    var x = a.b;
    var y = c.d;
  });  // goog.scope

After:
  goog.scope(function() {
  var x = a.b;
  var y = c.d;
  });  // goog.scope

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208088 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: [JS] Keep space between 'return' and '['.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208090 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: [JS] Keep space after closure style comments.

Before:
  var x = /** @type {foo} */ (bar);

After:
  var x = /** @type {foo} */(bar);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208093 91177308-0d34-0410-b5e6-96231b3b80d8