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

chrome/browser/policy/test/local_policy_test_server.cc

Index: chrome/browser/policy/test/local_policy_test_server.cc
diff --git a/chrome/browser/policy/test/local_policy_test_server.cc b/chrome/browser/policy/test/local_policy_test_server.cc
index 0f9a9d9a46c2ce9dfd8775582f170c4b71b8ec7f..731588ba7d5eb93ac90d92da0ae946b94c4480ea 100644
--- a/chrome/browser/policy/test/local_policy_test_server.cc
+++ b/chrome/browser/policy/test/local_policy_test_server.cc
@@ -17,6 +17,7 @@
 #include "base/numerics/safe_conversions.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
@@ -63,6 +64,7 @@ LocalPolicyTestServer::LocalPolicyTestServer()
     : net::LocalTestServer(net::BaseTestServer::TYPE_HTTP,
                            net::BaseTestServer::kLocalhost,
                            base::FilePath()) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   CHECK(server_data_dir_.CreateUniqueTempDir());
   config_file_ = server_data_dir_.GetPath().Append(kPolicyFileName);
 }
@@ -78,6 +80,7 @@ LocalPolicyTestServer::LocalPolicyTestServer(const std::string& test_name)
                            net::BaseTestServer::kLocalhost,
                            base::FilePath()) {
   // Read configuration from a file in chrome/test/data/policy.
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath source_root;
   CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &source_root));
   config_file_ = source_root
@@ -92,6 +95,7 @@ LocalPolicyTestServer::~LocalPolicyTestServer() {}
 
 bool LocalPolicyTestServer::SetSigningKeyAndSignature(
     const crypto::RSAPrivateKey* key, const std::string& signature) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   CHECK(server_data_dir_.IsValid());
 
   std::vector<uint8_t> signing_key_bits;
@@ -147,6 +151,7 @@ void LocalPolicyTestServer::RegisterClient(const std::string& dm_token,
 bool LocalPolicyTestServer::UpdatePolicy(const std::string& type,
                                          const std::string& entity_id,
                                          const std::string& policy) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   CHECK(server_data_dir_.IsValid());
 
   std::string selector = GetSelector(type, entity_id);
@@ -160,6 +165,7 @@ bool LocalPolicyTestServer::UpdatePolicy(const std::string& type,
 bool LocalPolicyTestServer::UpdatePolicyData(const std::string& type,
                                              const std::string& entity_id,
                                              const std::string& data) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   CHECK(server_data_dir_.IsValid());
 
   std::string selector = GetSelector(type, entity_id);
@@ -175,6 +181,7 @@ GURL LocalPolicyTestServer::GetServiceURL() const {
 }
 
 bool LocalPolicyTestServer::SetPythonPath() const {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   if (!net::LocalTestServer::SetPythonPath())
     return false;
 
@@ -222,6 +229,7 @@ bool LocalPolicyTestServer::SetPythonPath() const {
 
 bool LocalPolicyTestServer::GetTestServerPath(
     base::FilePath* testserver_path) const {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath source_root;
   if (!PathService::Get(base::DIR_SOURCE_ROOT, &source_root)) {
     LOG(ERROR) << "Failed to get DIR_SOURCE_ROOT";
@@ -238,6 +246,7 @@ bool LocalPolicyTestServer::GetTestServerPath(
 
 bool LocalPolicyTestServer::GenerateAdditionalArguments(
     base::DictionaryValue* arguments) const {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   if (!net::LocalTestServer::GenerateAdditionalArguments(arguments))
     return false;