Use nearest neighbor filtering for non-translated quads

cc/transferable_resource.cc

 // Copyright 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 "base/logging.h"
 #include "cc/transferable_resource.h"
 
 namespace cc {
 
 Mailbox::Mailbox() {
   memset(name, 0, sizeof(name));
 }
 
 bool Mailbox::isZero() const {
   for (int i = 0; i < arraysize(name); ++i) {
     if (name[i])
       return false;
   }
   return true;
 }
 
 void Mailbox::setName(const GLbyte* n) {
   DCHECK(isZero() || !memcmp(name, n, sizeof(name)));
   memcpy(name, n, sizeof(name));
 }
 
 TransferableResource::TransferableResource()
-    : id(0),
-      format(0) {
+    : id(0)
+    , format(0)
+    , filter(0) {
 }
 
 TransferableResource::~TransferableResource() {
 }
 
 TransferableResourceList::TransferableResourceList()
     : sync_point(0) {
 }
 
 TransferableResourceList::~TransferableResourceList() {
 }
 
 }  // namespace cc