Adding a SQL implementation of the backing store for previews opt outs

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index 8bb36096c0e0c00d37ffda4b013bb66bfb96566c..83496c16d08a4c99d13b211212169a55321563ff 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -46,21 +46,20 @@
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
 #include "components/data_reduction_proxy/core/browser/data_store_impl.h"
 #include "components/domain_reliability/monitor.h"
 #include "components/net_log/chrome_net_log.h"
 #include "components/prefs/json_pref_store.h"
 #include "components/prefs/pref_filter.h"
 #include "components/prefs/pref_member.h"
 #include "components/prefs/pref_service.h"
 #include "components/previews/core/previews_io_data.h"
-#include "components/previews/core/previews_ui_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/storage_partition.h"
 #include "extensions/browser/extension_protocols.h"
 #include "extensions/common/constants.h"
 #include "net/base/cache_type.h"
 #include "net/base/sdch_manager.h"
 #include "net/cookies/cookie_store.h"
@@ -203,24 +202,23 @@ void ProfileImplIOData::Handle::Init(
   DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile_)
       ->InitDataReductionProxySettings(
           io_data_->data_reduction_proxy_io_data(), profile_->GetPrefs(),
           profile_->GetRequestContext(), std::move(store),
           BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
           db_task_runner);
 
   io_data_->set_previews_io_data(base::MakeUnique<previews::PreviewsIOData>(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)));
-  PreviewsServiceFactory::GetForProfile(profile_)->set_previews_ui_service(
-      base::MakeUnique<previews::PreviewsUIService>(
-          io_data_->previews_io_data(),
-          BrowserThread::GetTaskRunnerForThread(BrowserThread::IO), nullptr));
+  PreviewsServiceFactory::GetForProfile(profile_)->Initialize(
+      io_data_->previews_io_data(),
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::IO), profile_path);
 }
 
 content::ResourceContext*
     ProfileImplIOData::Handle::GetResourceContext() const {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   LazyInitialize();
   return GetResourceContextNoInit();
 }
 
 content::ResourceContext*