Removes Experimental hotword-always-on feature.

chrome/browser/ui/app_list/hotword_background_activity_monitor_unittest.cc

Index: chrome/browser/ui/app_list/hotword_background_activity_monitor_unittest.cc
diff --git a/chrome/browser/ui/app_list/hotword_background_activity_monitor_unittest.cc b/chrome/browser/ui/app_list/hotword_background_activity_monitor_unittest.cc
deleted file mode 100644
index 6badf6d70469bebdc00bf6d81092698a01addd53..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/app_list/hotword_background_activity_monitor_unittest.cc
+++ /dev/null
@@ -1,235 +0,0 @@
-// 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 "chrome/browser/ui/app_list/hotword_background_activity_monitor.h"
-
-#include "chrome/browser/ui/app_list/hotword_background_activity_delegate.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/test/base/browser_with_test_window_test.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/common/child_process_host.h"
-
-#if defined(USE_ASH)
-#include "ash/shell.h"
-#endif
-
-namespace app_list {
-
-class HotwordBackgroundActivityMonitorTest
-    : public BrowserWithTestWindowTest,
-      public HotwordBackgroundActivityDelegate {
- public:
-  HotwordBackgroundActivityMonitorTest() : changed_count_(0) {}
-  virtual ~HotwordBackgroundActivityMonitorTest() {}
-
-  // testing::Test overrides:
-  virtual void SetUp() OVERRIDE {
-    BrowserWithTestWindowTest::SetUp();
-    monitor_.reset(new HotwordBackgroundActivityMonitor(this));
-  }
-  virtual void TearDown() OVERRIDE {
-    monitor_.reset();
-    BrowserWithTestWindowTest::TearDown();
-  }
-
- protected:
-  int GetChangedCountAndReset() {
-    int count = changed_count_;
-    changed_count_ = 0;
-    return count;
-  }
-
-  bool IsHotwordBackgroundActive() {
-    return monitor_->IsHotwordBackgroundActive();
-  }
-
-  // Invokes the idle test explicitly.
-  // TODO(mukai): make IdleDetector testable.
-  void SetIdleState(bool is_idle) {
-    monitor_->OnIdleStateChanged(is_idle);
-  }
-
-  void UpdateMediaRequest(int render_process_id, bool requesting) {
-    monitor_->OnRequestUpdate(
-        render_process_id,
-        0 /* don't care render_view_id */,
-        content::MediaStreamDevice() /* don't care the device */,
-        requesting ? content::MEDIA_REQUEST_STATE_REQUESTED :
-        content::MEDIA_REQUEST_STATE_CLOSING);
-  }
-
-  void AddWebContentsToWhitelist(content::WebContents* contents) {
-    monitor_->AddWebContentsToWhitelistForTest(contents);
-  }
-
-  void RemoveWebContentsFromWhitelist(content::WebContents* contents) {
-    monitor_->RemoveWebContentsFromWhitelistForTest(contents);
-  }
-
-  // HotwordBackgroundActivityDelegate overrides:
-  virtual int GetRenderProcessID() OVERRIDE {
-    // Use the invalid id for tests, because it cannot overlap with any existing
-    // ids.
-    return content::ChildProcessHost::kInvalidUniqueID;
-  }
-
- private:
-  // HotwordBackgroundActivityDelegate overrides:
-  virtual void OnHotwordBackgroundActivityChanged() OVERRIDE {
-    ++changed_count_;
-  }
-
-  int changed_count_;
-  scoped_ptr<HotwordBackgroundActivityMonitor> monitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(HotwordBackgroundActivityMonitorTest);
-};
-
-#if defined(USE_ASH)
-TEST_F(HotwordBackgroundActivityMonitorTest, LockStateTest) {
-  if (!ash::Shell::HasInstance())
-    return;
-
-  ASSERT_TRUE(IsHotwordBackgroundActive());
-
-  ash::Shell::GetInstance()->OnLockStateChanged(true);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  ash::Shell::GetInstance()->OnLockStateChanged(false);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-}
-#endif
-
-TEST_F(HotwordBackgroundActivityMonitorTest, IdleStateTest) {
-  ASSERT_TRUE(IsHotwordBackgroundActive());
-
-  SetIdleState(true);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-#if defined(USE_ASH)
-  if (ash::Shell::HasInstance()) {
-    ash::Shell::GetInstance()->OnLockStateChanged(true);
-    EXPECT_EQ(1, GetChangedCountAndReset());
-    EXPECT_FALSE(IsHotwordBackgroundActive());
-
-    ash::Shell::GetInstance()->OnLockStateChanged(false);
-    EXPECT_EQ(1, GetChangedCountAndReset());
-    EXPECT_FALSE(IsHotwordBackgroundActive());
-  }
-#endif
-
-  SetIdleState(false);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-}
-
-TEST_F(HotwordBackgroundActivityMonitorTest, MediaRequests) {
-  ASSERT_TRUE(IsHotwordBackgroundActive());
-
-  // Request from itself should be ignored.
-  UpdateMediaRequest(GetRenderProcessID(), true);
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-
-  int id1 = GetRenderProcessID() + 1;
-  int id2 = GetRenderProcessID() + 2;
-
-  UpdateMediaRequest(id1, true);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  UpdateMediaRequest(id2, true);
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  UpdateMediaRequest(id2, false);
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  UpdateMediaRequest(id1, false);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-}
-
-TEST_F(HotwordBackgroundActivityMonitorTest, TabTests) {
-  ASSERT_TRUE(IsHotwordBackgroundActive());
-
-  content::WebContents* contents = content::WebContents::Create(
-      content::WebContents::CreateParams(profile()));
-  TabStripModel* tab_strip_model = browser()->tab_strip_model();
-  tab_strip_model->AddWebContents(
-      contents, 0, content::PAGE_TRANSITION_LINK, TabStripModel::ADD_ACTIVE);
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-
-  AddWebContentsToWhitelist(contents);
-  tab_strip_model->UpdateWebContentsStateAt(0, TabStripModelObserver::ALL);
-
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  // Tab could be closed without UpdateWebContentsStateAt().
-  RemoveWebContentsFromWhitelist(contents);
-  tab_strip_model->CloseWebContentsAt(0, TabStripModel::CLOSE_NONE);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-}
-
-TEST_F(HotwordBackgroundActivityMonitorTest, MediaAndTabCombined) {
-  ASSERT_TRUE(IsHotwordBackgroundActive());
-
-  TabStripModel* tab_strip_model = browser()->tab_strip_model();
-  content::WebContents* contents = content::WebContents::Create(
-      content::WebContents::CreateParams(profile()));
-  int contents_id = contents->GetRenderProcessHost()->GetID();
-  int extension_id = contents_id + 1;
-  ASSERT_NE(GetRenderProcessID(), extension_id);
-
-  tab_strip_model->AddWebContents(
-      contents, 0, content::PAGE_TRANSITION_LINK, TabStripModel::ADD_ACTIVE);
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-
-  // Another recognizer for the tab has started.
-  UpdateMediaRequest(extension_id, true);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  // Hotword is recognized -- switch to the speech recognition in the tab.
-  AddWebContentsToWhitelist(contents);
-  UpdateMediaRequest(contents_id, true);
-  UpdateMediaRequest(extension_id, false);
-  tab_strip_model->UpdateWebContentsStateAt(0, TabStripModelObserver::ALL);
-
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  // The speech recognition has ended.
-  RemoveWebContentsFromWhitelist(contents);
-  tab_strip_model->UpdateWebContentsStateAt(0, TabStripModelObserver::ALL);
-  UpdateMediaRequest(extension_id, true);
-
-  EXPECT_EQ(2, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  // Switches to the speech recognition state again.
-  AddWebContentsToWhitelist(contents);
-  UpdateMediaRequest(contents_id, true);
-  UpdateMediaRequest(extension_id, false);
-  tab_strip_model->UpdateWebContentsStateAt(0, TabStripModelObserver::ALL);
-
-  EXPECT_EQ(0, GetChangedCountAndReset());
-  EXPECT_FALSE(IsHotwordBackgroundActive());
-
-  // And then close the tab during the speech recognition.
-  tab_strip_model->CloseWebContentsAt(0, TabStripModel::CLOSE_NONE);
-  EXPECT_EQ(1, GetChangedCountAndReset());
-  EXPECT_TRUE(IsHotwordBackgroundActive());
-}
-
-}  // namespace app_list