Eliminate third_party/mojo/src from all targets' include paths

mojo/edk/embedder/platform_channel_pair_posix_unittest.cc

 // Copyright 2014 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 "mojo/edk/embedder/platform_channel_pair.h"
 
 #include <errno.h>
 #include <poll.h>
 #include <signal.h>
 #include <stdio.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <unistd.h>
 
 #include <deque>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "mojo/edk/embedder/platform_channel_utils_posix.h"
 #include "mojo/edk/embedder/platform_handle.h"
 #include "mojo/edk/embedder/platform_handle_vector.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/test/test_utils.h"
-#include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/mojo/src/mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace edk {
 namespace {
 
 void WaitReadable(PlatformHandle h) {
   struct pollfd pfds = {};
   pfds.fd = h.fd;
   pfds.events = POLLIN;
   CHECK_EQ(poll(&pfds, 1, -1), 1);
@@ skipping 211 matching lines @@
     char read_buf[100];
     size_t bytes_read = fread(read_buf, 1, sizeof(read_buf), fp.get());
     EXPECT_EQ(file_contents.size(), bytes_read);
     EXPECT_EQ(file_contents, std::string(read_buf, bytes_read));
   }
 }
 
 }  // namespace
 }  // namespace edk
 }  // namespace mojo