Move content_settings_observer.h, content_settings_provider.h, content_settings_rule.* to the compo…

chrome/browser/content_settings/content_settings_rule.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.
-
-#include "base/logging.h"
-#include "chrome/browser/content_settings/content_settings_rule.h"
-
-namespace content_settings {
-
-Rule::Rule() {}
-
-Rule::Rule(
-    const ContentSettingsPattern& primary_pattern,
-    const ContentSettingsPattern& secondary_pattern,
-    base::Value* value)
-    : primary_pattern(primary_pattern),
-      secondary_pattern(secondary_pattern),
-      value(value) {
-  DCHECK(value);
-}
-
-Rule::~Rule() {}
-
-RuleIterator::~RuleIterator() {}
-
-EmptyRuleIterator::~EmptyRuleIterator() {}
-
-bool EmptyRuleIterator::HasNext() const {
-  return false;
-}
-
-Rule EmptyRuleIterator::Next() {
-  NOTREACHED();
-  return Rule();
-}
-
-ConcatenationIterator::ConcatenationIterator(
-    ScopedVector<RuleIterator>* iterators,
-    base::AutoLock* auto_lock)
-    : auto_lock_(auto_lock) {
-  iterators_.swap(*iterators);
-
-  ScopedVector<RuleIterator>::iterator it = iterators_.begin();
-  while (it != iterators_.end()) {
-    if (!(*it)->HasNext())
-      it = iterators_.erase(it);
-    else
-      ++it;
-  }
-}
-
-ConcatenationIterator::~ConcatenationIterator() {}
-
-bool ConcatenationIterator::HasNext() const {
-  return (!iterators_.empty());
-}
-
-Rule ConcatenationIterator::Next() {
-  ScopedVector<RuleIterator>::iterator current_iterator =
-      iterators_.begin();
-  DCHECK(current_iterator != iterators_.end());
-  DCHECK((*current_iterator)->HasNext());
-  const Rule& to_return = (*current_iterator)->Next();
-  if (!(*current_iterator)->HasNext())
-    iterators_.erase(current_iterator);
-  return to_return;
-}
-
-}  // namespace content_settings