Migrate HostZoomMap to live in StoragePartition.

content/browser/host_zoom_map_impl_unittest.cc

Index: content/browser/host_zoom_map_impl_unittest.cc
diff --git a/content/browser/host_zoom_map_impl_unittest.cc b/content/browser/host_zoom_map_impl_unittest.cc
index a96f15e288af6f31d9082c6476c7d8eeeda52b2f..3056615370f2ba73704dea3d78f300df378c9452 100644
--- a/content/browser/host_zoom_map_impl_unittest.cc
+++ b/content/browser/host_zoom_map_impl_unittest.cc
@@ -23,7 +23,7 @@ class HostZoomMapTest : public testing::Test {
 };
 
 TEST_F(HostZoomMapTest, GetSetZoomLevel) {
-  HostZoomMapImpl host_zoom_map;
+  HostZoomMapImpl host_zoom_map(0.0);
 
   double zoomed = 2.5;
   host_zoom_map.SetZoomLevelForHost("zoomed.com", zoomed);
@@ -35,7 +35,7 @@ TEST_F(HostZoomMapTest, GetSetZoomLevel) {
 }
 
 TEST_F(HostZoomMapTest, GetSetZoomLevelWithScheme) {
-  HostZoomMapImpl host_zoom_map;
+  HostZoomMapImpl host_zoom_map(0.0);
 
   double zoomed = 2.5;
   double default_zoom = 1.5;
@@ -58,7 +58,7 @@ TEST_F(HostZoomMapTest, GetSetZoomLevelWithScheme) {
 }
 
 TEST_F(HostZoomMapTest, GetAllZoomLevels) {
-  HostZoomMapImpl host_zoom_map;
+  HostZoomMapImpl host_zoom_map(0.0);
 
   double zoomed = 2.5;
   host_zoom_map.SetZoomLevelForHost("zoomed.com", zoomed);