[cast_channel] Move cast_channel related files from //extensions to //components

components/cast_channel/cast_transport.cc

Index: components/cast_channel/cast_transport.cc
diff --git a/extensions/browser/api/cast_channel/cast_transport.cc b/components/cast_channel/cast_transport.cc
similarity index 94%
rename from extensions/browser/api/cast_channel/cast_transport.cc
rename to components/cast_channel/cast_transport.cc
index ce2ef7d4dd3d4143c5c2782caa75014a361f33b5..d5ab894d97ad13c9892a16786d0ef665e9153bb6 100644
--- a/extensions/browser/api/cast_channel/cast_transport.cc
+++ b/components/cast_channel/cast_transport.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "extensions/browser/api/cast_channel/cast_transport.h"
+#include "components/cast_channel/cast_transport.h"
 
 #include <stddef.h>
 #include <stdint.h>
@@ -17,10 +17,10 @@
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "extensions/browser/api/cast_channel/cast_framer.h"
-#include "extensions/browser/api/cast_channel/cast_message_util.h"
-#include "extensions/browser/api/cast_channel/logger.h"
-#include "extensions/common/api/cast_channel/cast_channel.pb.h"
+#include "components/cast_channel/cast_framer.h"
+#include "components/cast_channel/cast_message_util.h"
+#include "components/cast_channel/logger.h"
+#include "components/cast_channel/proto/cast_channel.pb.h"
 #include "net/base/net_errors.h"
 #include "net/socket/socket.h"
 
@@ -29,8 +29,6 @@
               << ::cast_channel::ChannelAuthTypeToString(channel_auth_) \
               << "] "
 
-namespace extensions {
-namespace api {
 namespace cast_channel {
 
 CastTransportImpl::CastTransportImpl(net::Socket* socket,
@@ -57,7 +55,7 @@ CastTransportImpl::CastTransportImpl(net::Socket* socket,
 }
 
 CastTransportImpl::~CastTransportImpl() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   FlushWriteQueue();
 }
 
@@ -147,7 +145,7 @@ proto::ErrorState CastTransportImpl::ErrorStateToProto(ChannelError state) {
 }
 
 void CastTransportImpl::SetReadDelegate(std::unique_ptr<Delegate> delegate) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   DCHECK(delegate);
   delegate_ = std::move(delegate);
   if (started_) {
@@ -166,15 +164,15 @@ void CastTransportImpl::FlushWriteQueue() {
 
 void CastTransportImpl::SendMessage(const CastMessage& message,
                                     const net::CompletionCallback& callback) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   std::string serialized_message;
   if (!MessageFramer::Serialize(message, &serialized_message)) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(callback, net::ERR_FAILED));
     return;
   }
-  WriteRequest write_request(
-      message.namespace_(), serialized_message, callback);
+  WriteRequest write_request(message.namespace_(), serialized_message,
+                             callback);
 
   write_queue_.push(write_request);
   if (write_state_ == WRITE_STATE_IDLE) {
@@ -196,8 +194,7 @@ CastTransportImpl::WriteRequest::WriteRequest(
 CastTransportImpl::WriteRequest::WriteRequest(const WriteRequest& other) =
     default;
 
-CastTransportImpl::WriteRequest::~WriteRequest() {
-}
+CastTransportImpl::WriteRequest::~WriteRequest() {}
 
 void CastTransportImpl::SetReadState(ReadState read_state) {
   if (read_state_ != read_state)
@@ -216,7 +213,7 @@ void CastTransportImpl::SetErrorState(ChannelError error_state) {
 }
 
 void CastTransportImpl::OnWriteResult(int result) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   DCHECK_NE(WRITE_STATE_IDLE, write_state_);
   if (write_queue_.empty()) {
     SetWriteState(WRITE_STATE_IDLE);
@@ -332,7 +329,7 @@ int CastTransportImpl::DoWriteHandleError(int result) {
 }
 
 void CastTransportImpl::Start() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   DCHECK(!started_);
   DCHECK_EQ(READ_STATE_READ, read_state_);
   DCHECK(delegate_) << "Read delegate must be set prior to calling Start()";
@@ -345,15 +342,15 @@ void CastTransportImpl::Start() {
 }
 
 void CastTransportImpl::OnReadResult(int result) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   // Network operations can either finish synchronously or asynchronously.
   // This method executes the state machine transitions in a loop so that
   // write state transitions happen even when network operations finish
   // synchronously.
   int rv = result;
   do {
-    VLOG_WITH_CONNECTION(2) << "OnReadResult(state=" << read_state_
-                            << ", result=" << rv << ")";
+    VLOG_WITH_CONNECTION(2)
+        << "OnReadResult(state=" << read_state_ << ", result=" << rv << ")";
     ReadState state = read_state_;
     read_state_ = READ_STATE_UNKNOWN;
 
@@ -451,5 +448,3 @@ int CastTransportImpl::DoReadHandleError(int result) {
 }
 
 }  // namespace cast_channel
-}  // namespace api
-}  // namespace extensions