Enable HTTP cleartext configuration for Webview

android_webview/browser/net/aw_url_request_context_getter.cc

Index: android_webview/browser/net/aw_url_request_context_getter.cc
diff --git a/android_webview/browser/net/aw_url_request_context_getter.cc b/android_webview/browser/net/aw_url_request_context_getter.cc
index 8bd349af94a657be555d74ee8cc49406a65ab790..fd18ab661371f67dd6eb42be0115fae5d6687907 100644
--- a/android_webview/browser/net/aw_url_request_context_getter.cc
+++ b/android_webview/browser/net/aw_url_request_context_getter.cc
@@ -58,6 +58,9 @@ namespace android_webview {
 
 namespace {
 
+// On apps targeting API level O or later, check cleartext is enforced.
+bool g_check_cleartext_permitted = false;
+
 const base::FilePath::CharType kChannelIDFilename[] = "Origin Bound Certs";
 const char kProxyServerSwitch[] = "proxy-server";
 
@@ -262,6 +265,8 @@ void AwURLRequestContextGetter::InitializeURLRequestContext() {
   builder.set_host_resolver(std::move(host_resolver));
 
   url_request_context_ = builder.Build();
+  url_request_context_->set_check_cleartext_permitted(
+      g_check_cleartext_permitted);
 
   job_factory_ =
       CreateJobFactory(&protocol_handlers_, std::move(request_interceptors_));
@@ -294,6 +299,11 @@ net::NetLog* AwURLRequestContextGetter::GetNetLog() {
   return net_log_.get();
 }
 
+// static
+void AwURLRequestContextGetter::set_check_cleartext_permitted(bool permitted) {
+  g_check_cleartext_permitted = permitted;

[boliu, 2017/02/03 23:12:37]

Please DCHECK that this must be called before any AwURLRequestContextGetter is
created

[sgurun-gerrit only, 2017/02/04 00:40:29]

Done.

+}
+
 std::unique_ptr<net::HttpAuthHandlerFactory>
 AwURLRequestContextGetter::CreateAuthHandlerFactory(
     net::HostResolver* resolver) {