Clean up scoped_array<T> construction from NULL.

gpu/tools/compositor_model_bench/render_model_utils.cc

 // Copyright (c) 2011 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.
 
 // Whole-tree processing that's likely to be helpful in multiple render models.
 
 #include "gpu/tools/compositor_model_bench/render_model_utils.h"
 
 #include <cstdlib>
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/logging.h"
 
 TextureGenerator::TextureGenerator(RenderNode* root)
     : stage_(DiscoveryStage),
-      tex_ids_(NULL),
-      image_data_(NULL),
       images_generated_(0) {
   DiscoverInputIDs(root);
   GenerateGLTexIDs();
   AssignIDMapping();
   WriteOutNewIDs(root);
   AllocateImageArray();
   BuildTextureImages(root);
 }
 
 TextureGenerator::~TextureGenerator() {
@@ skipping 137 matching lines @@
   glTexImage2D(GL_TEXTURE_2D,
                0,
                format,
                width, height,
                0,
                format,
                GL_UNSIGNED_BYTE,
                image_data_[imgID].get());
 }