Android: moves chrome/ to use long for JNI

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 29dc73140ec92dbed29017ae727449e2d0432825..6ae3163e24123f60995793a154a5e6f14388b51e 100644
--- a/chrome/browser/android/signin/signin_manager_android.cc
+++ b/chrome/browser/android/signin/signin_manager_android.cc
@@ -206,10 +206,10 @@ void SigninManagerAndroid::LogInSignedInUser(JNIEnv* env, jobject obj) {
   autoLogin->LogIn();
 }
 
-static int Init(JNIEnv* env, jobject obj) {
+static jlong Init(JNIEnv* env, jobject obj) {
   SigninManagerAndroid* signin_manager_android =
       new SigninManagerAndroid(env, obj);
-  return reinterpret_cast<jint>(signin_manager_android);
+  return reinterpret_cast<intptr_t>(signin_manager_android);
 }
 
 static jboolean ShouldLoadPolicyForUser(JNIEnv* env,