Turning on MultiProfile by default for ChromeOS

chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc

Index: chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc
diff --git a/chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc b/chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc
index 3848a58bad4d63964c379337695df5d4ad80b3bb..b17dc80baaeba49342cd95d702f8fae4597441c3 100644
--- a/chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc
+++ b/chrome/browser/extensions/api/preferences_private/preferences_private_apitest.cc
@@ -29,6 +29,10 @@
 #include "components/sync_driver/sync_prefs.h"
 #include "content/public/browser/browser_context.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/chromeos_switches.h"
+#endif
+
 using extensions::PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction;
 
 namespace {
@@ -107,6 +111,13 @@ class PreferencesPrivateApiTest : public ExtensionApiTest {
   PreferencesPrivateApiTest() : browser_(NULL), service_(NULL) {}
   virtual ~PreferencesPrivateApiTest() {}
 
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+#if defined(OS_CHROMEOS)
+    command_line->AppendSwitch(
+        chromeos::switches::kIgnoreUserProfileMappingForTests);
+#endif
+  }
+
   virtual void SetUpOnMainThread() OVERRIDE {
     ExtensionApiTest::SetUpOnMainThread();