Renderers should obtain browser InterfaceProvider by connecting to browser

content/child/child_thread_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_CHILD_THREAD_IMPL_H_
 #define CONTENT_CHILD_CHILD_THREAD_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 16 matching lines @@
 namespace base {
 class MessageLoop;
 }  // namespace base
 
 namespace IPC {
 class MessageFilter;
 class SyncChannel;
 class SyncMessageFilter;
 }  // namespace IPC
 
+namespace shell {
+class Connection;
+}  // namespace shell
+
 namespace mojo {
 namespace edk {
 class ScopedIPCSupport;
 }  // namespace edk
 }  // namespace mojo
 
 namespace blink {
 class WebFrame;
 }  // namespace blink
 
@@ skipping 201 matching lines @@
 #ifdef IPC_MESSAGE_LOG_ENABLED
   void OnSetIPCLoggingEnabled(bool enable);
 #endif
 
   void EnsureConnected();
 
   std::unique_ptr<mojo::edk::ScopedIPCSupport> mojo_ipc_support_;
   std::unique_ptr<shell::InterfaceRegistry> interface_registry_;
   std::unique_ptr<shell::InterfaceProvider> remote_interfaces_;
   std::unique_ptr<MojoShellConnection> mojo_shell_connection_;
+  bool connect_to_browser_ = false;
+  std::unique_ptr<shell::Connection> browser_connection_;
 
   std::string channel_name_;
   std::unique_ptr<IPC::SyncChannel> channel_;
 
   // Allows threads other than the main thread to send sync messages.
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   // Implements message routing functionality to the consumers of
@@ skipping 50 matching lines @@
 
 struct ChildThreadImpl::Options {
   Options(const Options& other);
   ~Options();
 
   class Builder;
 
   std::string channel_name;
   bool use_mojo_channel;
   bool auto_start_mojo_shell_connection;
+  bool connect_to_browser;
   scoped_refptr<base::SequencedTaskRunner> browser_process_io_runner;
   std::vector<IPC::MessageFilter*> startup_filters;
   std::string in_process_ipc_token;
   std::string in_process_application_token;
 
  private:
   Options();
 };
 
 class ChildThreadImpl::Options::Builder {
  public:
   Builder();
 
   Builder& InBrowserProcess(const InProcessChildThreadParams& params);
   Builder& UseMojoChannel(bool use_mojo_channel);
   Builder& AutoStartMojoShellConnection(bool auto_start);
+  Builder& ConnectToBrowser(bool connect_to_browser);
   Builder& WithChannelName(const std::string& channel_name);
   Builder& AddStartupFilter(IPC::MessageFilter* filter);
 
   Options Build();
 
  private:
   struct Options options_;
 
   DISALLOW_COPY_AND_ASSIGN(Builder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_CHILD_THREAD_IMPL_H_