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

chrome/test/perf/generate_profile.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/perf/generate_profile.h"
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
@@ skipping 96 matching lines @@
 GURL ConstructRandomURL() {
   return GURL(ASCIIToUTF16("http://") + RandomChars(3) + ASCIIToUTF16(".com/") +
       RandomChars(RandomInt(5, 20)));
 }
 
 // Return a random page title-looking string.
 string16 ConstructRandomTitle() {
   return RandomWords(RandomInt(3, 15));
 }
 
-// Return a random string that could function as page contents.
-string16 ConstructRandomPage() {
-  return RandomWords(RandomInt(10, 4000));
-}
-
 // Insert a batch of |batch_size| URLs, starting at pageid |page_id|.
 void InsertURLBatch(Profile* profile,
                     int page_id,
                     int batch_size,
                     int types) {
   HistoryService* history_service =
       HistoryServiceFactory::GetForProfile(profile, Profile::EXPLICIT_ACCESS);
 
   // Probability of following a link on the current "page"
   // (vs randomly jumping to a new page).
@@ skipping 132 matching lines @@
     path = file_iterator.Next();
   }
 
   printf("Finished creating profiles for testing.\n");
 
   // Restore the random seed.
   srand(static_cast<unsigned int>(Time::Now().ToInternalValue()));
 
   return true;
 }