Adding "static_assert" in lieu of "COMPILE_ASSERT" in ipc module

ipc/ipc_send_fds_test.cc

 // Copyright (c) 2012 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.
 
 #include "build/build_config.h"
 
 #if defined(OS_POSIX)
 #if defined(OS_MACOSX)
 extern "C" {
 #include <sandbox.h>
@@ skipping 20 matching lines @@
 #include "base/macros.h"
 #endif
 
 namespace {
 
 const unsigned kNumFDsToSend = 7;  // per message
 const unsigned kNumMessages = 20;
 const char* kDevZeroPath = "/dev/zero";
 
 #if defined(OS_POSIX)
-COMPILE_ASSERT(kNumFDsToSend ==
+static_assert(kNumFDsToSend ==
                    IPC::MessageAttachmentSet::kMaxDescriptorsPerMessage,
-               num_fds_to_send_must_be_the_same_as_the_max_desc_per_message);
+               "num fds to send must be the same as the max desc per message");

[dmichael (off chromium), 2015/01/20 16:44:10]

How about:
"The number of FDs to send must be kMaxDescriptorsPerMessage."

[anujsharma, 2015/01/21 03:11:51]

Done.

 #endif
 
 class MyChannelDescriptorListenerBase : public IPC::Listener {
  public:
   bool OnMessageReceived(const IPC::Message& message) override {
     PickleIterator iter(message);
     base::FileDescriptor descriptor;
     while (IPC::ParamTraits<base::FileDescriptor>::Read(
                &message, &iter, &descriptor)) {
       HandleFD(descriptor.fd);
@@ skipping 324 matching lines @@
   base::WaitableEvent received_;
 };
 
 TEST_F(IPCMultiSendingFdsTest, StressTest) {
   Run();
 }
 
 }  // namespace
 
 #endif  // defined(OS_POSIX)