GN header checker enhancements.

tools/gn/label.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TOOLS_GN_LABEL_H_
 #define TOOLS_GN_LABEL_H_
 
 #include "base/containers/hash_tables.h"
 #include "tools/gn/source_dir.h"
 
 class Err;
 class Value;
 
 // A label represents the name of a target or some other named thing in
 // the source path. The label is always absolute and always includes a name
 // part, so it starts with a slash, and has one colon.
 class Label {
  public:
   Label();
 
-  // Makes a label given an already-separate out path and name.
+  // Makes a label given an already-separated out path and name.
   // See also Resolve().
   Label(const SourceDir& dir,
         const base::StringPiece& name,
         const SourceDir& toolchain_dir,
         const base::StringPiece& toolchain_name);
 
   // Makes a label with an empty toolchain.
   Label(const SourceDir& dir, const base::StringPiece& name);
   ~Label();
 
@@ skipping 84 matching lines @@
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 
 inline void swap(Label& lhs, Label& rhs) {
   lhs.swap(rhs);
 }
 
 #endif  // TOOLS_GN_LABEL_H_