Fix integration tests in src/chrome and src/extensions so that we can turn on IO thread checks wi...

chrome/browser/extensions/lazy_background_page_apitest.cc

Index: chrome/browser/extensions/lazy_background_page_apitest.cc
diff --git a/chrome/browser/extensions/lazy_background_page_apitest.cc b/chrome/browser/extensions/lazy_background_page_apitest.cc
index 5b0696b90b2a68dad0651a9e8a55bfe6d68e9437..ead2b674f09d0d7c095f033f3e39b4411708470a 100644
--- a/chrome/browser/extensions/lazy_background_page_apitest.cc
+++ b/chrome/browser/extensions/lazy_background_page_apitest.cc
@@ -10,6 +10,7 @@
 #include "base/path_service.h"
 #include "base/scoped_observer.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/extensions/browser_action_test_util.h"
@@ -318,6 +319,7 @@ IN_PROC_BROWSER_TEST_F(LazyBackgroundPageApiTest, WaitForRequest) {
 IN_PROC_BROWSER_TEST_F(LazyBackgroundPageApiTest, NaClInBackgroundPage) {
   {
     base::FilePath extdir;
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
     ASSERT_TRUE(PathService::Get(chrome::DIR_GEN_TEST_DATA, &extdir));
     extdir = extdir.AppendASCII("ppapi/tests/extensions/load_unload/newlib");
     LazyBackgroundObserver page_complete;
@@ -354,6 +356,7 @@ IN_PROC_BROWSER_TEST_F(LazyBackgroundPageApiTest, NaClInView) {
   // page, and the Lazy Background Page stays alive.
   {
     base::FilePath extdir;
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
     ASSERT_TRUE(PathService::Get(chrome::DIR_GEN_TEST_DATA, &extdir));
     extdir = extdir.AppendASCII("ppapi/tests/extensions/popup/newlib");
     ResultCatcher catcher;