Move ContentSettingsUsagesState to the component.

chrome/browser/content_settings/content_settings_usages_state.cc

-// Copyright 2013 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 "chrome/browser/content_settings/content_settings_usages_state.h"
-
-#include <string>
-
-#include "base/prefs/pref_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/content_settings/core/browser/host_content_settings_map.h"
-#include "net/base/net_util.h"
-
-ContentSettingsUsagesState::CommittedDetails::CommittedDetails()
-    : current_url_valid(false) {
-}
-
-ContentSettingsUsagesState::CommittedDetails::~CommittedDetails() {}
-
-ContentSettingsUsagesState::ContentSettingsUsagesState(
-    HostContentSettingsMap* host_content_settings_map,
-    ContentSettingsType type,
-    const std::string& accept_language_pref,
-    PrefService* prefs)
-    : host_content_settings_map_(host_content_settings_map),
-      pref_service_(prefs),
-      accept_language_pref_(accept_language_pref),
-      type_(type) {
-}
-
-ContentSettingsUsagesState::~ContentSettingsUsagesState() {
-}
-
-void ContentSettingsUsagesState::OnPermissionSet(
-    const GURL& requesting_origin, bool allowed) {
-  state_map_[requesting_origin] =
-      allowed ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK;
-}
-
-void ContentSettingsUsagesState::DidNavigate(const CommittedDetails& details) {
-  if (details.current_url_valid)
-    embedder_url_ = details.current_url;
-  if (state_map_.empty())
-    return;
-  if (!details.current_url_valid ||
-      details.previous_url.GetOrigin() != details.current_url.GetOrigin()) {
-    state_map_.clear();
-    return;
-  }
-  // We're in the same origin, check if there's any icon to be displayed.
-  unsigned int tab_state_flags = 0;
-  GetDetailedInfo(NULL, &tab_state_flags);
-  if (!(tab_state_flags & TABSTATE_HAS_ANY_ICON))
-    state_map_.clear();
-}
-
-void ContentSettingsUsagesState::ClearStateMap() {
-  state_map_.clear();
-}
-
-void ContentSettingsUsagesState::GetDetailedInfo(
-    FormattedHostsPerState* formatted_hosts_per_state,
-    unsigned int* tab_state_flags) const {
-  DCHECK(tab_state_flags);
-  DCHECK(embedder_url_.is_valid());
-  ContentSetting default_setting =
-      host_content_settings_map_->GetDefaultContentSetting(type_, NULL);
-  std::set<std::string> formatted_hosts;
-  std::set<std::string> repeated_formatted_hosts;
-
-  // Build a set of repeated formatted hosts
-  for (StateMap::const_iterator i(state_map_.begin());
-       i != state_map_.end(); ++i) {
-    std::string formatted_host = GURLToFormattedHost(i->first);
-    if (!formatted_hosts.insert(formatted_host).second) {
-      repeated_formatted_hosts.insert(formatted_host);
-    }
-  }
-
-  for (StateMap::const_iterator i(state_map_.begin());
-       i != state_map_.end(); ++i) {
-    if (i->second == CONTENT_SETTING_ALLOW)
-      *tab_state_flags |= TABSTATE_HAS_ANY_ALLOWED;
-    if (formatted_hosts_per_state) {
-      std::string formatted_host = GURLToFormattedHost(i->first);
-      std::string final_formatted_host =
-          repeated_formatted_hosts.find(formatted_host) ==
-          repeated_formatted_hosts.end() ?
-          formatted_host :
-          i->first.spec();
-      (*formatted_hosts_per_state)[i->second].insert(final_formatted_host);
-    }
-
-    const ContentSetting saved_setting =
-        host_content_settings_map_->GetContentSetting(i->first, embedder_url_,
-                                                      type_, std::string());
-    if (saved_setting != default_setting)
-      *tab_state_flags |= TABSTATE_HAS_EXCEPTION;
-    if (saved_setting != i->second)
-      *tab_state_flags |= TABSTATE_HAS_CHANGED;
-    if (saved_setting != CONTENT_SETTING_ASK)
-      *tab_state_flags |= TABSTATE_HAS_ANY_ICON;
-  }
-}
-
-std::string ContentSettingsUsagesState::GURLToFormattedHost(
-    const GURL& url) const {
-  base::string16 display_host;
-  net::AppendFormattedHost(url, pref_service_->GetString(accept_language_pref_),
-                           &display_host);
-  return base::UTF16ToUTF8(display_host);
-}