mac: Prepare most test code for -Wunused-functions too.

chrome/test/base/ui_test_utils.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 "chrome/test/base/ui_test_utils.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 79 matching lines @@
 using content::OpenURLParams;
 using content::RenderViewHost;
 using content::RenderWidgetHost;
 using content::Referrer;
 using content::WebContents;
 
 namespace ui_test_utils {
 
 namespace {
 
+#if defined(OS_WIN)
 const char kSnapshotBaseName[] = "ChromiumSnapshot";
 const char kSnapshotExtension[] = ".png";
 
 base::FilePath GetSnapshotFileName(const base::FilePath& snapshot_directory) {
   base::Time::Exploded the_time;
 
   base::Time::Now().LocalExplode(&the_time);
   std::string filename(base::StringPrintf("%s%04d%02d%02d%02d%02d%02d%s",
       kSnapshotBaseName, the_time.year, the_time.month, the_time.day_of_month,
       the_time.hour, the_time.minute, the_time.second, kSnapshotExtension));
 
   base::FilePath snapshot_file = snapshot_directory.AppendASCII(filename);
   if (base::PathExists(snapshot_file)) {
     int index = 0;
     std::string suffix;
     base::FilePath trial_file;
     do {
       suffix = base::StringPrintf(" (%d)", ++index);
       trial_file = snapshot_file.InsertBeforeExtensionASCII(suffix);
     } while (base::PathExists(trial_file));
     snapshot_file = trial_file;
   }
   return snapshot_file;
 }
+#endif  // defined(OS_WIN)
 
 Browser* WaitForBrowserNotInSet(std::set<Browser*> excluded_browsers) {
   Browser* new_browser = GetBrowserNotInSet(excluded_browsers);
   if (new_browser == NULL) {
     BrowserAddedObserver observer;
     new_browser = observer.WaitForSingleNewBrowser();
     // The new browser should never be in |excluded_browsers|.
     DCHECK(!ContainsKey(excluded_browsers, new_browser));
   }
   return new_browser;
@@ skipping 395 matching lines @@
 void HistoryEnumerator::HistoryQueryComplete(
     const base::Closure& quit_task,
     HistoryService::Handle request_handle,
     history::QueryResults* results) {
   for (size_t i = 0; i < results->size(); ++i)
     urls_.push_back((*results)[i].url());
   quit_task.Run();
 }
 
 }  // namespace ui_test_utils