clang/win: Fix most -Wunused-function warnings in Chromium code.

chrome/test/base/chrome_process_util.cc

 // Copyright (c) 2011 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/test/base/chrome_process_util.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/process/process.h"
 #include "base/process/process_iterator.h"
 #include "base/time/time.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/test/base/test_switches.h"
 #include "content/public/common/result_codes.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
 
 namespace {
 
+#if defined(OS_POSIX)
 // Returns the executable name of the current Chrome helper process.
 std::vector<base::FilePath::StringType> GetRunningHelperExecutableNames() {
   base::FilePath::StringType name = chrome::kHelperProcessExecutableName;
 
   std::vector<base::FilePath::StringType> names;
   names.push_back(name);
 
 #if defined(OS_MACOSX)
   // The helper might show up as these different flavors depending on the
   // executable flags required.
   for (const char* const* suffix = chrome::kHelperFlavorSuffixes;
        *suffix;
        ++suffix) {
     std::string flavor_name(name);
     flavor_name.append(1, ' ');
     flavor_name.append(*suffix);
     names.push_back(flavor_name);
   }
 #endif
 
   return names;
 }
+#endif  // defined(OS_POSIX)
 
 }  // namespace
 
 void TerminateAllChromeProcesses(const ChromeProcessList& process_pids) {
   ChromeProcessList::const_iterator it;
   for (it = process_pids.begin(); it != process_pids.end(); ++it) {
     base::Process process = base::Process::Open(*it);
     if (process.IsValid()) {
       // Ignore processes for which we can't open the handle. We don't
       // guarantee that all processes will terminate, only try to do so.
@@ skipping 85 matching lines @@
     base::ProcessHandle process) {
 #if !defined(OS_MACOSX)
   process_metrics_.reset(
       base::ProcessMetrics::CreateProcessMetrics(process));
 #else
   process_metrics_.reset(
       base::ProcessMetrics::CreateProcessMetrics(process, NULL));
 #endif
   process_handle_ = process;
 }