Add zoom extension API

chrome/browser/host_zoom_map_unittest.cc

Index: chrome/browser/host_zoom_map_unittest.cc
diff --git a/chrome/browser/host_zoom_map_unittest.cc b/chrome/browser/host_zoom_map_unittest.cc
index 82e0e588e41f66f47e9c6d9e918095fd867c2373..15e888e31964ae40caf9f1304c471463c6622ca0 100644
--- a/chrome/browser/host_zoom_map_unittest.cc
+++ b/chrome/browser/host_zoom_map_unittest.cc
@@ -25,6 +25,7 @@ using testing::Property;
 
 class HostZoomMapTest : public testing::Test {
  public:
+  static const double kRequestId;
   static const double kZoomLevel;
   static const double kDefaultZoomLevel;
   HostZoomMapTest()
@@ -53,6 +54,7 @@ class HostZoomMapTest : public testing::Test {
   std::string host_;
   NotificationObserverMock pref_observer_;
 };
+const double HostZoomMapTest::kRequestId = 1;
 const double HostZoomMapTest::kZoomLevel = 4;
 const double HostZoomMapTest::kDefaultZoomLevel = -2;
 
@@ -75,7 +77,7 @@ TEST_F(HostZoomMapTest, SetZoomLevel) {
   registrar.Init(prefs_);
   registrar.Add(prefs::kPerHostZoomLevels, &pref_observer_);
   SetPrefObserverExpectation();
-  map->SetZoomLevel(url_, kZoomLevel);
+  map->SetZoomLevel(url_, kRequestId, kZoomLevel);
   EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
   const DictionaryValue* dict =
       prefs_->GetDictionary(prefs::kPerHostZoomLevels);
@@ -84,14 +86,14 @@ TEST_F(HostZoomMapTest, SetZoomLevel) {
   EXPECT_EQ(kZoomLevel, zoom_level);
 
   SetPrefObserverExpectation();
-  map->SetZoomLevel(url_, 0);
+  map->SetZoomLevel(url_, kRequestId, 0);
   EXPECT_EQ(0, map->GetZoomLevel(url_));
   EXPECT_FALSE(dict->HasKey(host_));
 }
 
 TEST_F(HostZoomMapTest, ResetToDefaults) {
   scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  map->SetZoomLevel(url_, kZoomLevel);
+  map->SetZoomLevel(url_, kRequestId, kZoomLevel);
 
   PrefChangeRegistrar registrar;
   registrar.Init(prefs_);
@@ -106,7 +108,7 @@ TEST_F(HostZoomMapTest, ResetToDefaults) {
 
 TEST_F(HostZoomMapTest, ReloadOnPrefChange) {
   scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
-  map->SetZoomLevel(url_, kZoomLevel);
+  map->SetZoomLevel(url_, kRequestId, kZoomLevel);
 
   DictionaryValue dict;
   dict.SetWithoutPathExpansion(host_, Value::CreateDoubleValue(0));
@@ -118,7 +120,7 @@ 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);
+  map->SetZoomLevel(file_url1_, kRequestId, kZoomLevel);
 
   EXPECT_EQ(kZoomLevel, map->GetZoomLevel(file_url1_));
   EXPECT_EQ(0, map->GetZoomLevel(file_url2_));