Remove the flag to disable new hotwording.

chrome/browser/extensions/hotword_browsertest.cc

 // Copyright 2014 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 "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 17 matching lines @@
   ~HotwordBrowserTest() override {}
 
  protected:
   void SetUpInProcessBrowserTestFixture() override {
     ExtensionBrowserTest::SetUpInProcessBrowserTestFixture();
 
     // Force the VoiceTrigger field trial on to enable the hotword_helper
     // extension.
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kForceFieldTrials, "VoiceTrigger/Install/");
-    // This test is only valid with version 1 of hotwording.
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kDisableExperimentalHotwording);
     // Load the hotword_helper extension.
     ComponentLoader::EnableBackgroundExtensionsForTesting();
 
     // We need to enable the ErrorConsole FeatureSwitch in order to collect
     // errors. This should be enabled on any channel <= Dev, but let's make
     // sure (in case a test is running on, e.g., a beta channel).
     FeatureSwitch::error_console()->SetOverrideValue(
         FeatureSwitch::OVERRIDE_ENABLED);
   }
 
@@ skipping 12 matching lines @@
  private:
   // Weak reference to the ErrorConsole.
   ErrorConsole* error_console_;
 
   DISALLOW_COPY_AND_ASSIGN(HotwordBrowserTest);
 };
 
 // Test we silently capture an exception from a message handler's response
 // callback. This happens when the caller to chrome.runtime.sendMessage()
 // doesn't specify a response callback.
-IN_PROC_BROWSER_TEST_F(HotwordBrowserTest, MessageSendResponseError) {
+// NOTE(amistry): Test is disabled instead of deleted since the functionality
+// may still be required to implement crbug.com/436681
+IN_PROC_BROWSER_TEST_F(HotwordBrowserTest, DISABLED_MessageSendResponseError) {
   // Enable error reporting for the hotword helper extension.
   error_console()->SetReportingAllForExtension(kHotwordHelperExtensionId, true);
 
   ExtensionTestMessageListener doneListener("done", false);
   const Extension* extension = extension_service()->GetExtensionById(
       kHotwordHelperExtensionId, false);
   ASSERT_TRUE(extension);
   const Extension* test_extension = LoadExtension(
       test_data_dir_.AppendASCII("hotword"));
   ASSERT_TRUE(test_extension);
 
   ASSERT_TRUE(doneListener.WaitUntilSatisfied());
   ASSERT_TRUE(error_console()->GetErrorsForExtension(extension->id()).empty());
 }
 
 }  // namespace extensions