Add incognito support to the speech recognition service factory

This CL adds incognito support to the speech recognition service factory.

Bug: 1093978
Change-Id: I71fbc99fcf3ad01448165a09ddd6b77133995570
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2241944Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Evan Liu <evliu@google.com>
Cr-Commit-Position: refs/heads/master@{#778023}

chrome/browser/speech/speech_recognition_service_factory.cc

@@ -5,6 +5,7 @@
 #include "chrome/browser/speech/speech_recognition_service_factory.h"
 
 #include "base/no_destructor.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/speech/speech_recognition_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ -34,3 +35,10 @@ KeyedService* SpeechRecognitionServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   return new speech::SpeechRecognitionService(context);
 }
+
+// Incognito profiles should use their own instance of the browser context.
+content::BrowserContext*
+SpeechRecognitionServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}

chrome/browser/speech/speech_recognition_service_factory.h

@@ -35,6 +35,8 @@ class SpeechRecognitionServiceFactory
   // BrowserContextKeyedServiceFactory:
   KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
 };
 
 #endif  // CHROME_BROWSER_SPEECH_SPEECH_RECOGNITION_SERVICE_FACTORY_H_

chrome/browser/speech/speech_recognition_service_factory_unittest.cc

+// Copyright 2020 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 "chrome/browser/speech/speech_recognition_service_factory.h"
+
+#include "chrome/test/base/testing_profile.h"
+#include "content/public/test/browser_task_environment.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace {
+
+using testing::IsNull;
+using testing::Not;
+
+// Verifies that the service factory supports incognito profiles.
+TEST(SpeechRecognitionServiceFactoryTest, IncognitoProfile) {
+  content::BrowserTaskEnvironment task_environment;
+
+  TestingProfile profile;
+
+  const speech::SpeechRecognitionService* const service =
+      SpeechRecognitionServiceFactory::GetForProfile(
+          profile.GetPrimaryOTRProfile());
+  EXPECT_THAT(service, Not(IsNull()));
+}
+
+}  // namespace

chrome/test/BUILD.gn

@@ -3593,6 +3593,7 @@ test("unit_tests") {
       "../browser/sharing/webrtc/sharing_service_host_unittest.cc",
       "../browser/sharing/webrtc/sharing_webrtc_connection_host_unittest.cc",
       "../browser/sharing/webrtc/webrtc_signalling_host_fcm_unittest.cc",
+      "../browser/speech/speech_recognition_service_factory_unittest.cc",
       "../browser/tab_contents/form_interaction_tab_helper_unittest.cc",
       "../browser/ui/autofill/payments/autofill_dialog_models_unittest.cc",
       "../browser/ui/bookmarks/bookmark_editor_unittest.cc",