Cleanup: Remove base::environment_vector and base::file_handle_mapping_vector to StudlyCaps.

chrome/browser/process_info_snapshot_mac_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 "chrome/browser/process_info_snapshot.h"
 
 #include <sys/types.h>  // For |uid_t| (and |pid_t|).
 #include <unistd.h>  // For |getpid()|, |getuid()|, etc.
 
 #include <vector>
 
@@ skipping 80 matching lines @@
   EXPECT_GT(proc_info.vsize, 0u);   // Its |vsize| should be nonzero though.
 }
 
 // To verify that ProcessInfoSnapshot is getting the actual uid and effective
 // uid, this test runs top. top should have a uid of the caller and effective
 // uid of 0 (root).
 TEST_F(ProcessInfoSnapshotMacTest, EffectiveVsRealUserIDTest) {
   // Create a pipe to be able to read top's output.
   int fds[2];
   PCHECK(pipe(fds) == 0);
-  base::file_handle_mapping_vector fds_to_remap;
+  base::FileHandleMappingVector fds_to_remap;
   fds_to_remap.push_back(std::make_pair(fds[1], 1));
 
   // Hook up top's stderr to the test process' stderr.
   fds_to_remap.push_back(std::make_pair(fileno(stderr), 2));
 
   std::vector<std::string> argv;
   argv.push_back("/usr/bin/top");
   argv.push_back("-l");
   argv.push_back("0");
 
@@ skipping 16 matching lines @@
   ProcessInfoSnapshot::ProcInfoEntry proc_info;
   ASSERT_TRUE(snapshot.GetProcInfo(process_handle, &proc_info));
   // Effective user ID should be 0 (root).
   EXPECT_EQ(proc_info.euid, 0u);
   // Real user ID should match the calling process's user id.
   EXPECT_EQ(proc_info.uid, geteuid());
 
   ASSERT_TRUE(base::KillProcess(process_handle, 0, true));
   PCHECK(HANDLE_EINTR(close(fds[0])) == 0);
 }