[Sync] Fixing easy lint violations.

components/sync/driver/non_blocking_data_type_controller.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 "components/sync/driver/non_blocking_data_type_controller.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 63 matching lines @@
   }
 }
 
 void NonBlockingDataTypeController::GetAllNodes(
     const AllNodesCallback& callback) {
   base::WeakPtr<ModelTypeService> service =
       sync_client_->GetModelTypeServiceForType(type());
   // TODO(gangwu): Casting should happen "near" where the processor factory has
   // code that instantiates a new processor.
   SharedModelTypeProcessor* processor =
-      (SharedModelTypeProcessor*)service->change_processor();
+      static_cast<SharedModelTypeProcessor*>(service->change_processor());
   RunOnModelThread(FROM_HERE,
                    base::Bind(&SharedModelTypeProcessor::GetAllNodes,
                               base::Unretained(processor),
                               base::ThreadTaskRunnerHandle::Get(), callback));
 }
 
 void NonBlockingDataTypeController::LoadModelsDone(ConfigureResult result,
                                                    const SyncError& error) {
   DCHECK(CalledOnValidThread());
 
@@ skipping 126 matching lines @@
   UMA_HISTOGRAM_ENUMERATION("Sync.DataTypeStartFailures",
                             ModelTypeToHistogramInt(type()), MODEL_TYPE_COUNT);
 #define PER_DATA_TYPE_MACRO(type_str)                                    \
   UMA_HISTOGRAM_ENUMERATION("Sync." type_str "ConfigureFailure", result, \
                             MAX_CONFIGURE_RESULT);
   SYNC_DATA_TYPE_HISTOGRAM(type());
 #undef PER_DATA_TYPE_MACRO
 }
 
 }  // namespace syncer