Remove a redundant clear() call

gpu/command_buffer/service/query_manager.cc

 // Copyright (c) 2012 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 "gpu/command_buffer/service/query_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/atomicops.h"
@@ skipping 724 matching lines @@
 
   // If this triggers, that means something is keeping a reference to
   // a Query belonging to this.
   CHECK_EQ(query_count_, 0u);
 }
 
 void QueryManager::Destroy(bool have_context) {
   active_queries_.clear();
   pending_queries_.clear();
   pending_transfer_queries_.clear();
-  active_queries_.clear();
   while (!queries_.empty()) {
     Query* query = queries_.begin()->second.get();
     query->Destroy(have_context);
     queries_.erase(queries_.begin());
   }
 }
 
 error::Error QueryManager::SetDisjointSync(int32_t shm_id,
                                            uint32_t shm_offset) {
   if (disjoint_notify_shm_id_ != -1 || shm_id == -1)
@@ skipping 379 matching lines @@
   for (std::pair<const GLenum, scoped_refptr<Query> >& it : active_queries_) {
     if (it.second->IsPaused()) {
       it.second->Resume();
       DCHECK(it.second->IsActive());
     }
   }
 }
 
 }  // namespace gles2
 }  // namespace gpu