Blob Channel failed to register service

blimp/engine/app/blimp_content_browser_client.cc

 // Copyright (c) 2015 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 "base/json/json_reader.h"
 #include "blimp/engine/app/blimp_browser_main_parts.h"
 #include "blimp/engine/app/blimp_content_browser_client.h"
 #include "blimp/engine/app/settings_manager.h"
 #include "blimp/engine/mojo/blob_channel_service.h"
+#include "blimp/grit/blimp_browser_resources.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/common/service_names.h"
 #include "services/shell/public/cpp/interface_registry.h"
+#include "ui/base/resource/resource_bundle.h"
 
 namespace blimp {
 namespace engine {
 
 BlimpContentBrowserClient::BlimpContentBrowserClient() {}
 
 BlimpContentBrowserClient::~BlimpContentBrowserClient() {}
 
 content::BrowserMainParts* BlimpContentBrowserClient::CreateBrowserMainParts(
     const content::MainFunctionParams& parameters) {
@@ skipping 20 matching lines @@
 }
 
 void BlimpContentBrowserClient::ExposeInterfacesToRenderer(
     shell::InterfaceRegistry* registry,
     content::RenderProcessHost* render_process_host) {
   registry->AddInterface<mojom::BlobChannel>(base::Bind(
       &BlobChannelService::BindRequest,
       base::Unretained(blimp_browser_main_parts_->GetBlobChannelService())));
 }
 
+std::unique_ptr<base::Value>
+BlimpContentBrowserClient::GetServiceManifestOverlay(
+    const std::string& name) {
+  VLOG(0) << "mlliu: GetServiceManifestOverlay" << name;

[Ken Rockot(use gerrit already), 2016/09/27 19:05:43]

Does this run?

+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  int id = -1;
+  if (name == content::kBrowserMojoApplicationName)
+    id = IDR_BLIMP_CONTENT_BROWSER_MANIFEST_OVERLAY;
+  if (id == -1)
+    return nullptr;
+
+  base::StringPiece manifest_contents =

[Ken Rockot(use gerrit already), 2016/09/27 19:05:43]

Is this the value you expect?

+      rb.GetRawDataResourceForScale(id, ui::ScaleFactor::SCALE_FACTOR_NONE);
+  return base::JSONReader::Read(manifest_contents);
+}
+
 }  // namespace engine
 }  // namespace blimp