[android_webview] Register a dummy binder for autofill::mojom::PasswordManagerDriver

android_webview/browser/aw_content_browser_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/browser/aw_content_browser_client.h"
 
 #include <utility>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 140 matching lines @@
 }
 
 void AwContentsMessageFilter::OnSubFrameCreated(int parent_render_frame_id,
                                                 int child_render_frame_id) {
   AwContentsIoThreadClient::SubFrameCreated(
       process_id_, parent_render_frame_id, child_render_frame_id);
 }
 
 AwLocaleManager* g_locale_manager = NULL;
 
+// A dummy binder for mojo interface autofill::mojom::PasswordManagerDriver.
+void DummyBindPasswordManagerDriver(
+    autofill::mojom::PasswordManagerDriverRequest request) {}
+
 }  // anonymous namespace
 
 // TODO(yirui): can use similar logic as in PrependToAcceptLanguagesIfNecessary
 // in chrome/browser/android/preferences/pref_service_bridge.cc
 // static
 std::string AwContentBrowserClient::GetAcceptLangsImpl() {
   // Start with the current locale(s) in BCP47 format.
   std::string locales_string = g_locale_manager->GetLocaleList();
 
   // If accept languages do not contain en-US, add in en-US which will be
@@ skipping 373 matching lines @@
           id, ui::ScaleFactor::SCALE_FACTOR_NONE);
   return base::JSONReader::Read(manifest_contents);
 }
 
 void AwContentBrowserClient::RegisterRenderFrameMojoInterfaces(
     service_manager::InterfaceRegistry* registry,
     content::RenderFrameHost* render_frame_host) {
   registry->AddInterface(
       base::Bind(&autofill::ContentAutofillDriverFactory::BindAutofillDriver,
                  render_frame_host));
+
+  // Although WebView does not support password manager feature, renderer code
+  // could still request this interface, so we register a dummy binder which
+  // just drops the incoming request, to avoid the 'Failed to locate a binder
+  // for interface' error log..
+  registry->AddInterface(base::Bind(&DummyBindPasswordManagerDriver));
 }
 
 }  // namespace android_webview