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

chrome/browser/plugins/plugin_prefs_unittest.cc

Index: chrome/browser/plugins/plugin_prefs_unittest.cc
diff --git a/chrome/browser/plugins/plugin_prefs_unittest.cc b/chrome/browser/plugins/plugin_prefs_unittest.cc
index 397eef54df483980642ddf3641e503db60443f05..73302bd135497b3d49da66c356bf4e9bdab6c11a 100644
--- a/chrome/browser/plugins/plugin_prefs_unittest.cc
+++ b/chrome/browser/plugins/plugin_prefs_unittest.cc
@@ -31,6 +31,7 @@ void CanEnablePluginCallback(const base::Closure& quit_closure,
   quit_closure.Run();
 }
 
+#if !(defined(OS_LINUX) && defined(USE_AURA))
 base::FilePath GetComponentUpdatedPepperFlashPath(
     const base::FilePath::StringType& version) {
   base::FilePath path;
@@ -46,6 +47,7 @@ base::FilePath GetBundledPepperFlashPath() {
   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) {