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

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 458 matching lines @@
     return true;
 
   std::string common_name;
   if (filter.GetString("ISSUER.CN", &common_name) &&
       (cert.issuer().common_name == common_name)) {
     return true;
   }
   return false;
 }
 
+#if !defined(OS_ANDROID)
 // Fills |map| with the per-script font prefs under path |map_name|.
 void FillFontFamilyMap(const PrefService* prefs,
                        const char* map_name,
                        webkit_glue::ScriptFontFamilyMap* map) {
   // TODO: Get rid of the brute-force scan over possible (font family / script)
   // combinations - see http://crbug.com/308095.
   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
     const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
     std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
     std::string font_family = prefs->GetString(pref_name.c_str());
@@ skipping 52 matching lines @@
   if (process_type == switches::kGpuProcess) {
     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
     if (!crash_handler)
       crash_handler = CreateCrashHandlerHost(process_type);
     return crash_handler->GetDeathSignalSocket();
   }
 
   return -1;
 }
 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
+#endif  // !defined(OS_ANDROID)
 
 #if !defined(OS_CHROMEOS)
 GURL GetEffectiveURLForSignin(const GURL& url) {
   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 
   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
   // Copy the path because the argument to SetPathStr must outlive
   // the Replacements object.
   const std::string path_copy(url.path());
   GURL::Replacements replacements;
@@ skipping 2069 matching lines @@
   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
                                               allowed_file_handle_origins_) ||
          IsHostAllowedByCommandLine(url, extension_set,
                                     switches::kAllowNaClFileHandleAPI);
 #else
   return false;
 #endif
 }
 
 }  // namespace chrome