replace COMPILE_ASSERT with static_assert in ppapi/

ppapi/shared_impl/private/net_address_private_impl.cc

Index: ppapi/shared_impl/private/net_address_private_impl.cc
diff --git a/ppapi/shared_impl/private/net_address_private_impl.cc b/ppapi/shared_impl/private/net_address_private_impl.cc
index 04baf96fda2ccc54a00cee452cc9f2b5d103d095..43df743223fa4c4c6c7035740cfd72d9d5e1673d 100644
--- a/ppapi/shared_impl/private/net_address_private_impl.cc
+++ b/ppapi/shared_impl/private/net_address_private_impl.cc
@@ -92,14 +92,14 @@ struct NetAddress {
 // that the alignment is the same on both sides of the NaCl proxy, which is
 // important because we serialize and deserialize PP_NetAddress_Private by
 // simply copying the raw bytes.
-COMPILE_ASSERT(sizeof(NetAddress) == 28,
-               NetAddress_different_for_compiler);
+static_assert(sizeof(NetAddress) == 28,
+              "NetAddress different for compiler");
 
 // Make sure the storage in |PP_NetAddress_Private| is big enough. (Do it here
 // since the data is opaque elsewhere.)
-COMPILE_ASSERT(sizeof(reinterpret_cast<PP_NetAddress_Private*>(0)->data) >=
-               sizeof(NetAddress),
-               PP_NetAddress_Private_data_too_small);
+static_assert(sizeof(reinterpret_cast<PP_NetAddress_Private*>(0)->data) >=
+              sizeof(NetAddress),
+              "PP_NetAddress_Private data too small");
 
 size_t GetAddressSize(const NetAddress* net_addr) {
   return net_addr->is_ipv6 ? kIPv6AddressSize : kIPv4AddressSize;
@@ -556,8 +556,8 @@ bool NetAddressPrivateImpl::DescribeNetAddressPrivateAsIPv4Address(
 
   ipv4_addr->port = ConvertToNetEndian16(net_addr->port);
 
-  COMPILE_ASSERT(sizeof(ipv4_addr->addr) == kIPv4AddressSize,
-                 mismatched_IPv4_address_size);
+  static_assert(sizeof(ipv4_addr->addr) == kIPv4AddressSize,
+                "mismatched IPv4 address size");
   memcpy(ipv4_addr->addr, net_addr->address, kIPv4AddressSize);
 
   return true;
@@ -576,8 +576,8 @@ bool NetAddressPrivateImpl::DescribeNetAddressPrivateAsIPv6Address(
 
   ipv6_addr->port = ConvertToNetEndian16(net_addr->port);
 
-  COMPILE_ASSERT(sizeof(ipv6_addr->addr) == kIPv6AddressSize,
-                 mismatched_IPv6_address_size);
+  static_assert(sizeof(ipv6_addr->addr) == kIPv6AddressSize,
+                "mismatched IPv6 address size");
   memcpy(ipv6_addr->addr, net_addr->address, kIPv6AddressSize);
 
   return true;