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

chrome/browser/ssl/ssl_browser_tests.cc

Index: chrome/browser/ssl/ssl_browser_tests.cc
diff --git a/chrome/browser/ssl/ssl_browser_tests.cc b/chrome/browser/ssl/ssl_browser_tests.cc
index 8324db2e546129e19d8a067608b29eeb5940d7b1..09273e0a0e753fe3449932756fc7ebbca482a349 100644
--- a/chrome/browser/ssl/ssl_browser_tests.cc
+++ b/chrome/browser/ssl/ssl_browser_tests.cc
@@ -20,6 +20,7 @@
 #include "base/test/histogram_tester.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/simple_test_clock.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
@@ -1353,7 +1354,10 @@ IN_PROC_BROWSER_TEST_F(SSLUITestWithClientCert, TestWSSClientCert) {
   std::string pkcs12_data;
   base::FilePath cert_path = net::GetTestCertsDirectory().Append(
       FILE_PATH_LITERAL("websocket_client_cert.p12"));
-  EXPECT_TRUE(base::ReadFileToString(cert_path, &pkcs12_data));
+  {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    EXPECT_TRUE(base::ReadFileToString(cert_path, &pkcs12_data));
+  }
   EXPECT_EQ(net::OK, cert_db_->ImportFromPKCS12(public_slot.get(), pkcs12_data,
                                                 base::string16(), true, NULL));
 
@@ -1436,6 +1440,7 @@ IN_PROC_BROWSER_TEST_F(SSLUITest, TestBadHTTPSDownload) {
   GURL url_non_dangerous = embedded_test_server()->GetURL("/title1.html");
   GURL url_dangerous =
       https_server_expired_.GetURL("/downloads/dangerous/dangerous.exe");
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::ScopedTempDir downloads_directory_;
 
   // Need empty temp dir to avoid having Chrome ask us for a new filename