FBTF: Fix more ctor/dtors found by clang plugin.

gpu/command_buffer/client/fenced_allocator.cc

 // Copyright (c) 2009 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.
 
 // This file contains the implementation of the FencedAllocator class.
 
 #include "../client/fenced_allocator.h"
 #include <algorithm>
 #include "../client/cmd_buffer_helper.h"
 
 namespace gpu {
 
 #ifndef _MSC_VER
 const FencedAllocator::Offset FencedAllocator::kInvalidOffset;
 #endif
 
+FencedAllocator::FencedAllocator(unsigned int size,
+                                 CommandBufferHelper *helper)
+    : helper_(helper) {
+  Block block = { FREE, 0, size, kUnusedToken };
+  blocks_.push_back(block);
+}
+
 FencedAllocator::~FencedAllocator() {
   // Free blocks pending tokens.
   for (unsigned int i = 0; i < blocks_.size(); ++i) {
     if (blocks_[i].state == FREE_PENDING_TOKEN) {
       i = WaitForTokenAndFreeBlock(i);
     }
   }
   // These checks are not valid if the service has crashed or lost the context.
   // GPU_DCHECK_EQ(blocks_.size(), 1u);
   // GPU_DCHECK_EQ(blocks_[0].state, FREE);
@@ skipping 165 matching lines @@
 // The blocks are in offset order, so we can do a binary search.
 FencedAllocator::BlockIndex FencedAllocator::GetBlockByOffset(Offset offset) {
   Block templ = { IN_USE, offset, 0, kUnusedToken };
   Container::iterator it = std::lower_bound(blocks_.begin(), blocks_.end(),
                                             templ, OffsetCmp());
   GPU_DCHECK(it != blocks_.end() && it->offset == offset);
   return it-blocks_.begin();
 }
 
 }  // namespace gpu