Update comments of the Pepper networking APIs.

ppapi/cpp/dev/net_address_dev.h

Index: ppapi/cpp/dev/net_address_dev.h
diff --git a/ppapi/cpp/dev/net_address_dev.h b/ppapi/cpp/dev/net_address_dev.h
index e7039801d3bb91e9187fa987f3accf4555d127fd..4090aa3d06f70b5d726e98d592e669399ab5b4d5 100644
--- a/ppapi/cpp/dev/net_address_dev.h
+++ b/ppapi/cpp/dev/net_address_dev.h
@@ -14,36 +14,98 @@ namespace pp {
 
 class InstanceHandle;
 
+/// The <code>NetAddress_Dev</code> class represents a network address.
 class NetAddress_Dev : public Resource {
  public:
+  /// Default constructor for creating an is_null() <code>NetAddress_Dev</code>
+  /// object.
   NetAddress_Dev();
 
+  /// A constructor used when you have received a <code>PP_Resource</code> as a
+  /// return value that has had 1 ref added for you.
+  ///
+  /// @param[in] resource A <code>PPB_NetAddress_Dev</code> resource.
   NetAddress_Dev(PassRef, PP_Resource resource);
 
+  /// A constructor used to create a <code>NetAddress_Dev</code> object with the
+  /// specified IPv4 address.
+  ///
+  /// @param[in] instance The instance with which this resource will be
+  /// associated.
+  /// @param[in] ipv4_addr An IPv4 address.
   NetAddress_Dev(const InstanceHandle& instance,
                  const PP_NetAddress_IPv4_Dev& ipv4_addr);
 
+  /// A constructor used to create a <code>NetAddress_Dev</code> object with the
+  /// specified IPv6 address.
+  ///
+  /// @param[in] instance The instance with which this resource will be
+  /// associated.
+  /// @param[in] ipv6_addr An IPv6 address.
   NetAddress_Dev(const InstanceHandle& instance,
                  const PP_NetAddress_IPv6_Dev& ipv6_addr);
 
+  /// The copy constructor for <code>NetAddress_Dev</code>.
+  ///
+  /// @param[in] other A reference to another <code>NetAddress_Dev</code>.
   NetAddress_Dev(const NetAddress_Dev& other);
 
+  /// The destructor.
   virtual ~NetAddress_Dev();
 
+  /// The assignment operator for <code>NetAddress_Dev</code>.
+  ///
+  /// @param[in] other A reference to another <code>NetAddress_Dev</code>.
+  ///
+  /// @return A reference to this <code>NetAddress_Dev</code> object.
   NetAddress_Dev& operator=(const NetAddress_Dev& other);
 
-  /// Static function for determining whether the browser supports the required
-  /// NetAddress interface.
+  /// Static function for determining whether the browser supports the
+  /// <code>PPB_NetAddress_Dev</code> interface.
   ///
   /// @return true if the interface is available, false otherwise.
   static bool IsAvailable();
 
+  /// Gets the address family.
+  ///
+  /// @return The address family on success;
+  /// <code>PP_NETADDRESS_FAMILY_UNSPECIFIED</code> on failure.
   PP_NetAddress_Family_Dev GetFamily() const;
 
+  /// Returns a human-readable description of the network address. The
+  /// description is in the form of host [ ":" port ] and conforms to
+  /// http://tools.ietf.org/html/rfc3986#section-3.2 for IPv4 and IPv6 addresses
+  /// (e.g., "192.168.0.1", "192.168.0.1:99", or "[::1]:80").
+  ///
+  /// @param[in] include_port Whether to include the port number in the
+  /// description.
+  ///
+  /// @return A string <code>Var</code> on success; an undefined
+  /// <code>Var</code> on failure.
   Var DescribeAsString(bool include_port) const;
 
+  /// Fills a <code>PP_NetAddress_IPv4_Dev</code> structure if the network
+  /// address is of <code>PP_NETADDRESS_FAMILY_IPV4</code> address family.
+  /// Note that passing a network address of
+  /// <code>PP_NETADDRESS_FAMILY_IPV6</code> address family will fail even if
+  /// the address is an IPv4-mapped IPv6 address.
+  ///
+  /// @param[out] ipv4_addr A <code>PP_NetAddress_IPv4_Dev</code> structure to
+  /// store the result.
+  ///
+  /// @return A boolean value indicating whether the operation succeeded.
   bool DescribeAsIPv4Address(PP_NetAddress_IPv4_Dev* ipv4_addr) const;
 
+  /// Fills a <code>PP_NetAddress_IPv6_Dev</code> structure if the network
+  /// address is of <code>PP_NETADDRESS_FAMILY_IPV6</code> address family.
+  /// Note that passing a network address of
+  /// <code>PP_NETADDRESS_FAMILY_IPV4</code> address family will fail - this
+  /// method doesn't map it to an IPv6 address.
+  ///
+  /// @param[out] ipv6_addr A <code>PP_NetAddress_IPv6_Dev</code> structure to
+  /// store the result.
+  ///
+  /// @return A boolean value indicating whether the operation succeeded.
   bool DescribeAsIPv6Address(PP_NetAddress_IPv6_Dev* ipv6_addr) const;
 };