Show dialogs for syncing to managed accounts.

chrome/browser/android/signin/signin_manager_android.cc

Index: chrome/browser/android/signin/signin_manager_android.cc
diff --git a/chrome/browser/android/signin/signin_manager_android.cc b/chrome/browser/android/signin/signin_manager_android.cc
index c1e5d83aad8473e074333d2b69fe98479b5f4af9..7515b7aee58f061dd8d5541904a709c2d0f3628c 100644
--- a/chrome/browser/android/signin/signin_manager_android.cc
+++ b/chrome/browser/android/signin/signin_manager_android.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/android/signin/signin_manager_android.h"
 
+#include "base/android/callback_android.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ -298,13 +299,47 @@ static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
 
 static jboolean ShouldLoadPolicyForUser(
     JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jclass>& clazz,
     const JavaParamRef<jstring>& j_username) {
   std::string username =
       base::android::ConvertJavaStringToUTF8(env, j_username);
   return !policy::BrowserPolicyConnector::IsNonEnterpriseUser(username);
 }
 
+namespace {

[Bernhard Bauer, 2016/06/03 08:50:06]

Move to this the existing anonymous namespace at the top?

[PEConn, 2016/06/27 09:34:33]

Done.

+
+void UserManagementDomainFetched(
+    base::android::ScopedJavaGlobalRef<jobject> callback,
+    const std::string& dm_token, const std::string& client_id) {
+  base::android::ScopedJavaLocalRef<jstring> j_domain =
+      base::android::ConvertUTF8ToJavaString(
+          base::android::AttachCurrentThread(),
+          dm_token);
+
+  base::android::RunCallbackAndroid(callback, j_domain);

[Bernhard Bauer, 2016/06/03 08:50:07]

As discussed offline, this should be a boolean |is_managed| or something.

[PEConn, 2016/06/27 09:34:33]

Done.

+}
+
+} // namespace
+
+static void FetchUserManagementDomain(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& j_username,
+    const JavaParamRef<jobject>& j_callback) {
+  base::android::ScopedJavaGlobalRef<jobject> callback(env, j_callback);
+
+  Profile* profile = ProfileManager::GetActiveUserProfile();
+  std::string username =
+      base::android::ConvertJavaStringToUTF8(env, j_username);
+  policy::UserPolicySigninService* service =
+      policy::UserPolicySigninServiceFactory::GetForProfile(profile);
+  service->RegisterForPolicy(

[Bernhard Bauer, 2016/06/03 08:50:07]

You are sure that registering for policy without unregistering afterwards is not
a problem?

[Bernhard Bauer, 2016/06/29 10:51:26]

^^^

[PEConn, 2016/06/30 09:26:44]

In RegisterForPolicy, the CloudPolicyClient (which appears to be the only thing
that has state modified in StartRegistrationWithLoginToken) is a local variable,
so I don't think we have any side effects.

+      username, AccountTrackerServiceFactory::GetForProfile(profile)
+                     ->FindAccountInfoByEmail(username)
+                     .account_id,
+      base::Bind(&UserManagementDomainFetched, callback));
+}
+
 // static
 bool SigninManagerAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);