arc: Make Play Store item persistance in shelf.

chrome/browser/policy/policy_browsertest.cc

Index: chrome/browser/policy/policy_browsertest.cc
diff --git a/chrome/browser/policy/policy_browsertest.cc b/chrome/browser/policy/policy_browsertest.cc
index be1bb1c410a1e5eb5ba201d11163615104afbc3f..cca625ea953f14156851a4966116465eb1b9845f 100644
--- a/chrome/browser/policy/policy_browsertest.cc
+++ b/chrome/browser/policy/policy_browsertest.cc
@@ -670,7 +670,10 @@ class PolicyTest : public InProcessBrowserTest {
   }
 
   void SetUpInProcessBrowserTestFixture() override {
-    base::CommandLine::ForCurrentProcess()->AppendSwitch("noerrdialogs");
+    base::CommandLine* const command_line =
+        base::CommandLine::ForCurrentProcess();
+    command_line->AppendSwitch("noerrdialogs");
+    command_line->AppendSwitch(chromeos::switches::kEnableArc);

[pastarmovj, 2016/05/17 22:13:05]

please document the behavior and the reason why these switch is needed for this
test suite.

[khmel, 2016/05/17 22:48:35]

Done, and moved it to Arc test, where it looks more logical

     EXPECT_CALL(provider_, IsInitializationComplete(_))
         .WillRepeatedly(Return(true));
     BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);