Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/download/save_package_file_picker.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/browser/download/save_package_file_picker.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/i18n/file_util_icu.h"
 #include "base/metrics/histogram.h"
@@ skipping 23 matching lines @@
 using content::RenderProcessHost;
 using content::SavePageType;
 using content::WebContents;
 
 namespace {
 
 // If false, we don't prompt the user as to where to save the file.  This
 // exists only for testing.
 bool g_should_prompt_for_filename = true;
 
+#if !defined(OS_CHROMEOS)
 // Used for mapping between SavePageType constants and the indexes above.
 const SavePageType kIndexToSaveType[] = {
   content::SAVE_PAGE_TYPE_UNKNOWN,
   content::SAVE_PAGE_TYPE_AS_ONLY_HTML,
   content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML,
 };
 
 int SavePackageTypeToIndex(SavePageType type) {
   for (size_t i = 0; i < arraysize(kIndexToSaveType); ++i) {
     if (kIndexToSaveType[i] == type)
       return i;
   }
   NOTREACHED();
   return -1;
 }
+#endif
 
 // Indexes used for specifying which element in the extensions dropdown
 // the user chooses when picking a save type.
 const int kSelectFileHtmlOnlyIndex = 1;
 const int kSelectFileCompleteIndex = 2;
 
 // Used for mapping between the IDS_ string identifiers and the indexes above.
 const int kIndexToIDS[] = {
   0, IDS_SAVE_PAGE_DESC_HTML_ONLY, IDS_SAVE_PAGE_DESC_COMPLETE,
 };
@@ skipping 209 matching lines @@
   }
 #endif
 
   callback_.Run(path_copy, save_type,
                 base::Bind(&OnSavePackageDownloadCreated));
 }
 
 void SavePackageFilePicker::FileSelectionCanceled(void* unused_params) {
   delete this;
 }