cc: Remove all usage of GetArea() from production code in cc

cc/layers/texture_layer_impl.cc

 // Copyright 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.
 
 #include "cc/layers/texture_layer_impl.h"
 
 #include <vector>
 
 #include "base/strings/stringprintf.h"
 #include "cc/layers/quad_sink.h"
@@ skipping 106 matching lines @@
                                 resource_provider->best_texture_format());
       }
 
       if (texture_copy_->id()) {
         std::vector<uint8> swizzled;
         uint8* pixels =
             static_cast<uint8*>(texture_mailbox_.shared_memory()->memory());
 
         if (!PlatformColor::SameComponentOrder(texture_copy_->format())) {
           // Swizzle colors. This is slow, but should be really uncommon.
-          swizzled.resize(texture_mailbox_.SharedMemorySizeInBytes());
-          for (size_t i = 0; i < texture_mailbox_.SharedMemorySizeInBytes();
-               i += 4) {
+          size_t bytes = texture_mailbox_.SharedMemorySizeInBytes();
+          swizzled.resize(bytes);
+          for (size_t i = 0; i < bytes; i += 4) {
             swizzled[i] = pixels[i + 2];
             swizzled[i + 1] = pixels[i + 1];
             swizzled[i + 2] = pixels[i];
             swizzled[i + 3] = pixels[i + 3];
           }
           pixels = &swizzled[0];
         }
 
         resource_provider->SetPixels(
             texture_copy_->id(),
@@ skipping 147 matching lines @@
   } else if (external_texture_resource_) {
     DCHECK(!own_mailbox_);
     ResourceProvider* resource_provider =
         layer_tree_impl()->resource_provider();
     resource_provider->DeleteResource(external_texture_resource_);
     external_texture_resource_ = 0;
   }
 }
 
 }  // namespace cc