[android_webview] Don't block the IO thread when reading from an InputStream.

android_webview/native/android_webview_jni_registrar.cc

Index: android_webview/native/android_webview_jni_registrar.cc
diff --git a/android_webview/native/android_webview_jni_registrar.cc b/android_webview/native/android_webview_jni_registrar.cc
index beb2fd8e52895700f3d257cd37af95e657f16d00..5aa744d48081d1f2176a21e145a0288a27bf38de 100644
--- a/android_webview/native/android_webview_jni_registrar.cc
+++ b/android_webview/native/android_webview_jni_registrar.cc
@@ -5,13 +5,13 @@
 #include "android_webview/native/android_webview_jni_registrar.h"
 
 #include "android_webview/native/android_protocol_handler.h"
-#include "android_webview/native/android_stream_reader_url_request_job.h"
 #include "android_webview/native/aw_contents.h"
 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
 #include "android_webview/native/aw_http_auth_handler.h"
 #include "android_webview/native/aw_resource.h"
 #include "android_webview/native/cookie_manager.h"
 #include "android_webview/native/intercepted_request_data_impl.h"
+#include "android_webview/native/input_stream.h"
 #include "android_webview/native/js_result_handler.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
@@ -27,14 +27,13 @@ static base::android::RegistrationMethod kWebViewRegisteredMethods[] = {
       web_contents_delegate_android::RegisterJni },
   // Register JNI for android_webview classes.
   { "AndroidProtocolHandler", RegisterAndroidProtocolHandler },
-  { "AndroidStreamReaderUrlRequestJob",
-      RegisterAndroidStreamReaderUrlRequestJob },
   { "AwContents", RegisterAwContents },
   { "AwContentsIoThreadClientImpl", RegisterAwContentsIoThreadClientImpl},
   { "AwHttpAuthHandler", RegisterAwHttpAuthHandler },
   { "AwResource", AwResource::RegisterAwResource },
   { "CookieManager", RegisterCookieManager },
   { "InterceptedRequestDataImpl", RegisterInterceptedRequestData },
+  { "InputStream", RegisterInputStream },
   { "JsResultHandler", RegisterJsResultHandler },
 };