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

components/cast_channel/cast_message_util.cc

Index: components/cast_channel/cast_message_util.cc
diff --git a/extensions/browser/api/cast_channel/cast_message_util.cc b/components/cast_channel/cast_message_util.cc
similarity index 50%
copy from extensions/browser/api/cast_channel/cast_message_util.cc
copy to components/cast_channel/cast_message_util.cc
index 3b646610642902fc7ba7822bda2b45e6ed72bd87..50c4be1c858f223848cddf5774ab592109db5380 100644
--- a/extensions/browser/api/cast_channel/cast_message_util.cc
+++ b/components/cast_channel/cast_message_util.cc
@@ -2,64 +2,25 @@
 // 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_message_util.h"
+#include "components/cast_channel/cast_message_util.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
-#include "extensions/browser/api/cast_channel/cast_auth_util.h"
-#include "extensions/common/api/cast_channel.h"
-#include "extensions/common/api/cast_channel/cast_channel.pb.h"
+#include "components/cast_channel/cast_auth_util.h"
+#include "components/cast_channel/proto/cast_channel.pb.h"
 
 namespace {
-static const char kAuthNamespace[] =
-    "urn:x-cast:com.google.cast.tp.deviceauth";
+static const char kAuthNamespace[] = "urn:x-cast:com.google.cast.tp.deviceauth";
 // Sender and receiver IDs to use for platform messages.
 static const char kPlatformSenderId[] = "sender-0";
 static const char kPlatformReceiverId[] = "receiver-0";
 }  // namespace
 
-namespace extensions {
-namespace api {
 namespace cast_channel {
 
-bool MessageInfoToCastMessage(const MessageInfo& message,
-                              CastMessage* message_proto) {
-  DCHECK(message_proto);
-  if (!message.data)
-    return false;
-
-  message_proto->set_protocol_version(CastMessage_ProtocolVersion_CASTV2_1_0);
-  message_proto->set_source_id(message.source_id);
-  message_proto->set_destination_id(message.destination_id);
-  message_proto->set_namespace_(message.namespace_);
-  // Determine the type of the base::Value and set the message payload
-  // appropriately.
-  std::string data;
-  switch (message.data->GetType()) {
-    // JS string
-    case base::Value::Type::STRING:
-      if (message.data->GetAsString(&data)) {
-        message_proto->set_payload_type(CastMessage_PayloadType_STRING);
-        message_proto->set_payload_utf8(data);
-      }
-      break;
-    // JS ArrayBuffer
-    case base::Value::Type::BINARY:
-      message_proto->set_payload_type(CastMessage_PayloadType_BINARY);
-      message_proto->set_payload_binary(message.data->GetBlob().data(),
-                                        message.data->GetBlob().size());
-      break;
-    default:
-      // Unknown value type.  message_proto will remain uninitialized because
-      // payload_type is unset.
-      break;
-  }
-  return message_proto->IsInitialized();
-}
-
 bool IsCastMessageValid(const CastMessage& message_proto) {
   if (message_proto.namespace_().empty() || message_proto.source_id().empty() ||
       message_proto.destination_id().empty()) {
@@ -71,38 +32,6 @@ bool IsCastMessageValid(const CastMessage& message_proto) {
           message_proto.has_payload_binary());
 }
 
-bool CastMessageToMessageInfo(const CastMessage& message_proto,
-                              MessageInfo* message) {
-  DCHECK(message);
-  message->source_id = message_proto.source_id();
-  message->destination_id = message_proto.destination_id();
-  message->namespace_ = message_proto.namespace_();
-  // Determine the type of the payload and fill base::Value appropriately.
-  std::unique_ptr<base::Value> value;
-  switch (message_proto.payload_type()) {
-  case CastMessage_PayloadType_STRING:
-    if (message_proto.has_payload_utf8())
-      value.reset(new base::Value(message_proto.payload_utf8()));
-    break;
-  case CastMessage_PayloadType_BINARY:
-    if (message_proto.has_payload_binary())
-      value = base::Value::CreateWithCopiedBuffer(
-          message_proto.payload_binary().data(),
-          message_proto.payload_binary().size());
-    break;
-  default:
-    // Unknown payload type. value will remain unset.
-    break;
-  }
-  if (value.get()) {
-    DCHECK(!message->data.get());
-    message->data = std::move(value);
-    return true;
-  } else {
-    return false;
-  }
-}
-
 std::string CastMessageToString(const CastMessage& message_proto) {
   std::string out("{");
   out += "namespace = " + message_proto.namespace_();
@@ -156,5 +85,3 @@ bool IsAuthMessage(const CastMessage& message) {
 }
 
 }  // namespace cast_channel
-}  // namespace api
-}  // namespace extensions