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

chrome/browser/plugins/plugin_prefs_unittest.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/plugins/plugin_prefs.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
@@ skipping 13 matching lines @@
 
 namespace {
 
 void CanEnablePluginCallback(const base::Closure& quit_closure,
                              bool expected_can_change,
                              bool did_change) {
   EXPECT_EQ(expected_can_change, did_change);
   quit_closure.Run();
 }
 
+#if !(defined(OS_LINUX) && defined(USE_AURA))
 base::FilePath GetComponentUpdatedPepperFlashPath(
     const base::FilePath::StringType& version) {
   base::FilePath path;
   EXPECT_TRUE(PathService::Get(
       chrome::DIR_COMPONENT_UPDATED_PEPPER_FLASH_PLUGIN, &path));
   path = path.Append(version);
   path = path.Append(chrome::kPepperFlashPluginFilename);
   return path;
 }
 
 base::FilePath GetBundledPepperFlashPath() {
   base::FilePath path;
   EXPECT_TRUE(PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &path));
   return path;
 }
+#endif  // !(defined(OS_LINUX) && defined(USE_AURA))
 
 void GotPlugins(const base::Closure& quit_closure,
                 const std::vector<content::WebPluginInfo>& plugins) {
   quit_closure.Run();
 }
 
 }  // namespace
 
 class PluginPrefsTest : public ::testing::Test {
  public:
@@ skipping 214 matching lines @@
   EXPECT_FALSE(plugin_prefs_->IsPluginEnabled(component_updated_plugin_2));
   EXPECT_FALSE(plugin_prefs_->IsPluginEnabled(bundled_plugin));
 
   EnablePluginSynchronously(true, bundled_plugin.path, true);
   EXPECT_FALSE(plugin_prefs_->IsPluginEnabled(component_updated_plugin_1));
   EXPECT_FALSE(plugin_prefs_->IsPluginEnabled(component_updated_plugin_2));
   EXPECT_TRUE(plugin_prefs_->IsPluginEnabled(bundled_plugin));
 }
 
 #endif