Implement break signal for serial api.

extensions/browser/api/serial/serial_api.cc

 // Copyright 2014 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 "extensions/browser/api/serial/serial_api.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/values.h"
@@ skipping 404 matching lines @@
   SerialConnection* connection = GetSerialConnection(params_->connection_id);
   if (!connection) {
     error_ = kErrorSerialConnectionNotFound;
     return;
   }
 
   bool success = connection->SetControlSignals(params_->signals);
   results_ = serial::SetControlSignals::Results::Create(success);
 }
 
+SerialSetBreakFunction::SerialSetBreakFunction() {
+}
+
+SerialSetBreakFunction::~SerialSetBreakFunction() {
+}
+
+bool SerialSetBreakFunction::Prepare() {
+  params_ = serial::SetBreak::Params::Create(*args_);
+  EXTENSION_FUNCTION_VALIDATE(params_.get());
+
+  return true;
+}
+
+void SerialSetBreakFunction::Work() {
+  SerialConnection* connection = GetSerialConnection(params_->connection_id);
+  if (!connection) {
+    error_ = kErrorSerialConnectionNotFound;
+    return;
+  }
+  bool success = connection->SetBreak();
+  results_ = serial::SetBreak::Results::Create(success);
+}
+
+SerialClearBreakFunction::SerialClearBreakFunction() {
+}
+
+SerialClearBreakFunction::~SerialClearBreakFunction() {
+}
+
+bool SerialClearBreakFunction::Prepare() {
+  params_ = serial::ClearBreak::Params::Create(*args_);
+  EXTENSION_FUNCTION_VALIDATE(params_.get());
+
+  return true;
+}
+
+void SerialClearBreakFunction::Work() {
+  SerialConnection* connection = GetSerialConnection(params_->connection_id);
+  if (!connection) {
+    error_ = kErrorSerialConnectionNotFound;
+    return;
+  }
+
+  bool success = connection->ClearBreak();
+  results_ = serial::ClearBreak::Results::Create(success);
+}
+
 }  // namespace core_api
 
 }  // namespace extensions
 
 namespace mojo {
 
 // static
 linked_ptr<extensions::core_api::serial::DeviceInfo> TypeConverter<
     linked_ptr<extensions::core_api::serial::DeviceInfo>,
     device::serial::DeviceInfoPtr>::Convert(const device::serial::DeviceInfoPtr&
                                                 device) {
   linked_ptr<extensions::core_api::serial::DeviceInfo> info(
       new extensions::core_api::serial::DeviceInfo);
   info->path = device->path;
   if (device->has_vendor_id)
     info->vendor_id.reset(new int(static_cast<int>(device->vendor_id)));
   if (device->has_product_id)
     info->product_id.reset(new int(static_cast<int>(device->product_id)));
   if (device->display_name)
     info->display_name.reset(new std::string(device->display_name));
   return info;
 }
 
 }  // namespace mojo