Introduce ChannelMojo

This CL introduces ChannelMojo IPC::Channel implementation
and optionally applies it for renderer-browser IPC channel.

Current stability is like 5-seconds browser and There are rough edges.
It often closes the channel so needs to be more robust.
Even though the level of stability, having it in the tree will helps
team to try and improve it.

BUG=377980
R=darin@chromium.org,jam@chromium.org,viettrungluu@chromium.org
TEST=ipc_channel_mojo_unittest.cc

Review URL: https://codereview.chromium.org/382333002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287402 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 1 deletions

diff --git a/ipc/ipc_channel_posix.cc b/ipc/ipc_channel_posix.cc
index 8ddf73a..ac9de55 100644
--- a/ipc/ipc_channel_posix.cc
+++ b/ipc/ipc_channel_posix.cc
@@ -747,7 +747,7 @@ void ChannelPosix::ClosePipeOnError() {
   }
 }
 
-int ChannelPosix::GetHelloMessageProcId() {
+int ChannelPosix::GetHelloMessageProcId() const {
   int pid = base::GetCurrentProcId();
 #if defined(OS_LINUX)
   // Our process may be in a sandbox with a separate PID namespace.
@@ -1050,6 +1050,17 @@ base::ProcessId ChannelPosix::GetPeerPID() const {
   return peer_pid_;
 }
 
+base::ProcessId ChannelPosix::GetSelfPID() const {
+  return GetHelloMessageProcId();
+}
+
+ChannelHandle ChannelPosix::TakePipeHandle() {
+  ChannelHandle handle = ChannelHandle(pipe_name_,
+                                       base::FileDescriptor(pipe_, false));
+  pipe_ = -1;
+  return handle;
+}
+
 //------------------------------------------------------------------------------
 // Channel's methods