[Extensions] DCHECK that ExtensionFunctions respond (and only once)

chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc

Index: chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc
diff --git a/chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc b/chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc
index 3b1c37c6be9c4dc1c186396a72894632130a1fc7..fa734bcedea523accad4bd0a352009b8404e290d 100644
--- a/chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc
+++ b/chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc
@@ -122,7 +122,7 @@ class ComponentCloudPolicyTest : public ExtensionBrowserTest {
         << "Pre-existing policies in this machine will make this test fail.";
 
     // Install the initial extension.
-    ExtensionTestMessageListener ready_listener("ready", true);
+    ExtensionTestMessageListener ready_listener("ready", false);
     event_listener_.reset(new ExtensionTestMessageListener("event", true));
     extension_ = LoadExtension(kTestExtensionPath);
     ASSERT_TRUE(extension_.get());
@@ -223,7 +223,7 @@ class ComponentCloudPolicyTest : public ExtensionBrowserTest {
 
 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, FetchExtensionPolicy) {
   // Read the initial policy.
-  ExtensionTestMessageListener policy_listener(kTestPolicyJSON, true);
+  ExtensionTestMessageListener policy_listener(kTestPolicyJSON, false);
   event_listener_->Reply("get-policy-Name");
   EXPECT_TRUE(policy_listener.WaitUntilSatisfied());
 }
@@ -250,7 +250,7 @@ IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, UpdateExtensionPolicy) {
   event_listener_->Reply("get-policy-Name");
   EXPECT_TRUE(policy_listener1.WaitUntilSatisfied());
 
-  ExtensionTestMessageListener policy_listener2(kTestPolicy2JSON, true);
+  ExtensionTestMessageListener policy_listener2(kTestPolicy2JSON, false);
   policy_listener1.Reply("get-policy-Another");
   EXPECT_TRUE(policy_listener2.WaitUntilSatisfied());
 }
@@ -264,7 +264,7 @@ IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, InstallNewExtension) {
   // the extension.
   RefreshPolicies();
 
-  ExtensionTestMessageListener result_listener("ok", true);
+  ExtensionTestMessageListener result_listener("ok", false);
   result_listener.set_failure_message("fail");
   scoped_refptr<const extensions::Extension> extension2 =
       LoadExtension(kTestExtension2Path);
@@ -315,7 +315,7 @@ IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, SignOutAndBackIn) {
   EXPECT_TRUE(event_listener.WaitUntilSatisfied());
 
   // The extension got an update event; verify that the policy was empty.
-  ExtensionTestMessageListener signout_policy_listener("{}", true);
+  ExtensionTestMessageListener signout_policy_listener("{}", false);
   event_listener.Reply("get-policy-Name");
   EXPECT_TRUE(signout_policy_listener.WaitUntilSatisfied());
 
@@ -328,7 +328,7 @@ IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, SignOutAndBackIn) {
   EXPECT_TRUE(event_listener2.WaitUntilSatisfied());
 
   // The extension got updated policy; verify it.
-  ExtensionTestMessageListener signin_policy_listener(kTestPolicyJSON, true);
+  ExtensionTestMessageListener signin_policy_listener(kTestPolicyJSON, false);
   event_listener2.Reply("get-policy-Name");
   EXPECT_TRUE(signin_policy_listener.WaitUntilSatisfied());