Use unchecked InputStream methods in the android_webview.

android_webview/native/webview_native.gyp

Index: android_webview/native/webview_native.gyp
diff --git a/android_webview/native/webview_native.gyp b/android_webview/native/webview_native.gyp
index 2e965e62c2a81f8d7e4713ad0d40d374076b92a4..f8e836ae658497270ec18d6afd63f21fb6da5e69 100644
--- a/android_webview/native/webview_native.gyp
+++ b/android_webview/native/webview_native.gyp
@@ -105,15 +105,6 @@
       ],
     },
     {
-      'target_name': 'input_stream_android_jar_jni_headers',
-      'type': 'none',
-      'variables': {
-        'jni_gen_package': 'android_webview',
-        'input_java_class': 'java/io/InputStream.class',
-      },
-      'includes': [ '../../build/jar_file_jni_generator.gypi' ],
-    },
-    {
       'target_name': 'cancellation_signal_android_jar_jni_headers',
       'type': 'none',
       'variables': {
@@ -145,6 +136,7 @@
           '../java/src/org/chromium/android_webview/AwWebContentsDelegate.java',
           '../java/src/org/chromium/android_webview/AwWebResourceResponse.java',
           '../java/src/org/chromium/android_webview/ExternalVideoSurfaceContainer.java',
+          '../java/src/org/chromium/android_webview/InputStreamUtil.java',
           '../java/src/org/chromium/android_webview/JavaBrowserViewRendererHelper.java',
           '../java/src/org/chromium/android_webview/permission/AwPermissionRequest.java',
       ],
@@ -153,7 +145,6 @@
       },
       'includes': [ '../../build/jni_generator.gypi' ],
       'dependencies': [
-        'input_stream_android_jar_jni_headers',
         'cancellation_signal_android_jar_jni_headers',
       ],
     },