Take out pref watching from HostZoomMap, in preparation of removing Profile from it.

content/browser/host_zoom_map_unittest.cc

Index: content/browser/host_zoom_map_unittest.cc
===================================================================
--- content/browser/host_zoom_map_unittest.cc	(revision 86148)
+++ content/browser/host_zoom_map_unittest.cc	(working copy)
@@ -1,120 +0,0 @@
-// Copyright (c) 2011 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/memory/ref_counted.h"
-#include "base/message_loop.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/prefs/scoped_user_pref_update.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/test/testing_profile.h"
-#include "content/browser/browser_thread.h"
-#include "content/browser/host_zoom_map.h"
-#include "content/common/notification_details.h"
-#include "content/common/notification_observer_mock.h"
-#include "content/common/notification_source.h"
-#include "content/common/notification_type.h"
-#include "googleurl/src/gurl.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using testing::_;
-using testing::Pointee;
-using testing::Property;
-
-class HostZoomMapTest : public testing::Test {
- public:
-  static const double kZoomLevel;
-  static const double kDefaultZoomLevel;
-  HostZoomMapTest()
-      : ui_thread_(BrowserThread::UI, &message_loop_),
-        prefs_(profile_.GetPrefs()),
-        per_host_zoom_levels_pref_(prefs::kPerHostZoomLevels),
-        url_("http://example.com/test"),
-        host_("example.com") {}
-
- protected:
-  void SetPrefObserverExpectation() {
-    EXPECT_CALL(
-        pref_observer_,
-        Observe(NotificationType(NotificationType::PREF_CHANGED),
-                _,
-                Property(&Details<std::string>::ptr,
-                         Pointee(per_host_zoom_levels_pref_))));
-  }
-
-  MessageLoopForUI message_loop_;
-  BrowserThread ui_thread_;
-  TestingProfile profile_;
-  PrefService* prefs_;
-  std::string per_host_zoom_levels_pref_;  // For the observe matcher.
-  GURL url_;
-  std::string host_;
-  NotificationObserverMock pref_observer_;
-};
-const double HostZoomMapTest::kZoomLevel = 4;
-const double HostZoomMapTest::kDefaultZoomLevel = -2;
-
-TEST_F(HostZoomMapTest, LoadNoPrefs) {
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  EXPECT_EQ(0, map->GetZoomLevel(url_));
-}
-
-TEST_F(HostZoomMapTest, Load) {
-  {
-    DictionaryPrefUpdate update(prefs_, prefs::kPerHostZoomLevels);
-    DictionaryValue* dict = update.Get();
-    dict->SetWithoutPathExpansion(host_, Value::CreateDoubleValue(kZoomLevel));
-  }
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
-}
-
-TEST_F(HostZoomMapTest, SetZoomLevel) {
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  PrefChangeRegistrar registrar;
-  registrar.Init(prefs_);
-  registrar.Add(prefs::kPerHostZoomLevels, &pref_observer_);
-  SetPrefObserverExpectation();
-  map->SetZoomLevel(url_, kZoomLevel);
-  EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
-  const DictionaryValue* dict =
-      prefs_->GetDictionary(prefs::kPerHostZoomLevels);
-  double zoom_level = 0;
-  EXPECT_TRUE(dict->GetDoubleWithoutPathExpansion(host_, &zoom_level));
-  EXPECT_EQ(kZoomLevel, zoom_level);
-
-  SetPrefObserverExpectation();
-  map->SetZoomLevel(url_, 0);
-  EXPECT_EQ(0, map->GetZoomLevel(url_));
-  EXPECT_FALSE(dict->HasKey(host_));
-}
-
-TEST_F(HostZoomMapTest, ReloadOnPrefChange) {
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  map->SetZoomLevel(url_, kZoomLevel);
-
-  DictionaryValue dict;
-  dict.SetWithoutPathExpansion(host_, Value::CreateDoubleValue(0));
-  prefs_->Set(prefs::kPerHostZoomLevels, dict);
-  EXPECT_EQ(0, map->GetZoomLevel(url_));
-}
-
-TEST_F(HostZoomMapTest, NoHost) {
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  GURL file_url1_("file:///tmp/test.html");
-  GURL file_url2_("file:///tmp/other.html");
-  map->SetZoomLevel(file_url1_, kZoomLevel);
-
-  EXPECT_EQ(kZoomLevel, map->GetZoomLevel(file_url1_));
-  EXPECT_EQ(0, map->GetZoomLevel(file_url2_));
-}
-
-TEST_F(HostZoomMapTest, ChangeDefaultZoomLevel) {
-  FundamentalValue zoom_level(kDefaultZoomLevel);
-  prefs_->Set(prefs::kDefaultZoomLevel, zoom_level);
-  scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  EXPECT_EQ(kDefaultZoomLevel, map->GetZoomLevel(url_));
-}