Minor changes as per Christians most-recent review of the docs.

ppapi/cpp/var.h

 // Copyright (c) 2011 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 PPAPI_CPP_VAR_H_
 #define PPAPI_CPP_VAR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 50 matching lines @@
   ///
   /// You will not normally need to use this constructor because
   /// the reference count will not normally be incremented for you.
   Var(PassRef, PP_Var var) {
     var_ = var;
     needs_release_ = true;
   }
 
   struct DontManage {};
 
-  /// TODO(brettw): remove DontManage when this bug is fixed
+  // TODO(brettw): remove DontManage when this bug is fixed
   ///              http://code.google.com/p/chromium/issues/detail?id=52105
   /// This constructor is used when we've given a <code>PP_Var</code> as an
   /// input argument from somewhere and that reference is managing the
   /// reference count for us. The object will not have its reference count
   /// increased or decreased by this class instance.
   ///
   /// @param[in] var A <code>Var</code>.
   Var(DontManage, PP_Var var) {
     var_ = var;
     needs_release_ = false;
@@ skipping 209 matching lines @@
  private:
   // Prevent an arbitrary pointer argument from being implicitly converted to
   // a bool at Var construction. If somebody makes such a mistake, (s)he will
   // get a compilation error.
   Var(void* non_scriptable_object_pointer);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_VAR_H_