Mojo C++ bindings: Generate InterfaceHandle<> instead of InterfacePtr<>.

mojo/common/trace_provider_impl.cc

 // Copyright 2015 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 "mojo/common/trace_provider_impl.h"
 
+#include <utility>
+
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_config.h"
 #include "base/trace_event/trace_event.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_impl.h"
 
 namespace mojo {
 
 TraceProviderImpl::TraceProviderImpl()
     : binding_(this), tracing_forced_(false), weak_factory_(this) {}
 
 TraceProviderImpl::~TraceProviderImpl() {}
 
 void TraceProviderImpl::Bind(InterfaceRequest<tracing::TraceProvider> request) {
   if (!binding_.is_bound()) {
     binding_.Bind(request.Pass());
   } else {
     LOG(ERROR) << "Cannot accept two connections to TraceProvider.";
   }
 }
 
-void TraceProviderImpl::StartTracing(const String& categories,
-                                     tracing::TraceRecorderPtr recorder) {
+void TraceProviderImpl::StartTracing(
+    const String& categories,
+    mojo::InterfaceHandle<tracing::TraceRecorder> recorder) {
   DCHECK(!recorder_.get());
-  recorder_ = recorder.Pass();
+  recorder_ = tracing::TraceRecorderPtr::Create(std::move(recorder));
   tracing_forced_ = false;
   if (!base::trace_event::TraceLog::GetInstance()->IsEnabled()) {
     std::string categories_str = categories.To<std::string>();
     base::trace_event::TraceLog::GetInstance()->SetEnabled(
         base::trace_event::TraceConfig(categories_str,
                                        base::trace_event::RECORD_UNTIL_FULL),
         base::trace_event::TraceLog::RECORDING_MODE);
   }
 }
 
@@ skipping 44 matching lines @@
   // events. Empty string is not a valid chunk to record so skip in this case.
   if (!events_str->data().empty()) {
     recorder_->Record(mojo::String(events_str->data()));
   }
   if (!has_more_events) {
     recorder_.reset();
   }
 }
 
 }  // namespace mojo