Moved JsonPrefStore to use SequencedWorkerPool

chrome_frame/test/net/fake_external_tab.cc

Index: chrome_frame/test/net/fake_external_tab.cc
diff --git a/chrome_frame/test/net/fake_external_tab.cc b/chrome_frame/test/net/fake_external_tab.cc
index 1f6c808f69737ee653e2453e94a38d262823c400..2fd8530ed7474387398e6295c0a53ad2d7594d2c 100644
--- a/chrome_frame/test/net/fake_external_tab.cc
+++ b/chrome_frame/test/net/fake_external_tab.cc
@@ -18,6 +18,7 @@
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
+#include "base/prefs/json_pref_store.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
@@ -352,8 +353,9 @@ void FilterDisabledTests() {
 // Same as BrowserProcessImpl, but uses custom profile manager.
 class FakeBrowserProcessImpl : public BrowserProcessImpl {
  public:
-  explicit FakeBrowserProcessImpl(const CommandLine& command_line)
-      : BrowserProcessImpl(command_line) {
+  FakeBrowserProcessImpl(base::SequencedTaskRunner* local_state_task_runner,
+                         const CommandLine& command_line)
+      : BrowserProcessImpl(local_state_task_runner, command_line) {
     profiles_dir_.CreateUniqueTempDir();
   }
 
@@ -494,7 +496,13 @@ void FakeExternalTab::Initialize() {
   cmd->AppendSwitch(switches::kDisableWebResources);
   cmd->AppendSwitch(switches::kSingleProcess);
 
-  browser_process_.reset(new FakeBrowserProcessImpl(*cmd));
+  FilePath local_state_path;
+  CHECK(PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path));
+  scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
+      JsonPrefStore::GetTaskRunnerForFile(local_state_path,
+                                          BrowserThread::GetBlockingPool());
+  browser_process_.reset(new FakeBrowserProcessImpl(local_state_task_runner,
+                                                    *cmd));
   // BrowserProcessImpl's constructor should set g_browser_process.
   DCHECK(g_browser_process);
   g_browser_process->SetApplicationLocale("en-US");