Delete most web intents code.

chrome/browser/intents/cws_intents_registry.cc

Index: chrome/browser/intents/cws_intents_registry.cc
diff --git a/chrome/browser/intents/cws_intents_registry.cc b/chrome/browser/intents/cws_intents_registry.cc
deleted file mode 100644
index 42114995576bbd21282bd195088cd2804e5cdf76..0000000000000000000000000000000000000000
--- a/chrome/browser/intents/cws_intents_registry.cc
+++ /dev/null
@@ -1,235 +0,0 @@
-// Copyright (c) 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 "chrome/browser/intents/cws_intents_registry.h"
-
-#include "base/callback.h"
-#include "base/json/json_string_value_serializer.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/stl_util.h"
-#include "base/string16.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/common/extensions/extension_l10n_util.h"
-#include "chrome/common/extensions/message_bundle.h"
-#include "chrome/browser/net/chrome_url_request_context.h"
-#include "chrome/browser/webdata/web_data_service.h"
-#include "google_apis/google_api_keys.h"
-#include "net/base/load_flags.h"
-#include "net/base/mime_util.h"
-#include "net/base/url_util.h"
-#include "net/url_request/url_fetcher.h"
-
-namespace {
-
-// Limit for the number of suggestions we fix from CWS. Ideally, the registry
-// simply get all of them, but there is a) chunking on the CWS side, and b)
-// there is a cost with suggestions fetched. (Network overhead for favicons,
-// roundtrips to registry to check if installed).
-//
-// Since the picker limits the number of suggestions displayed to 5, 15 means
-// the suggestion list only has the potential to be shorter than that once the
-// user has at least 10 installed handlers for the particular action/type.
-//
-// TODO(groby): Adopt number of suggestions dynamically so the picker can
-// always display 5 suggestions unless there are less than 5 viable extensions
-// in the CWS.
-const char kMaxSuggestions[] = "15";
-
-// URL for CWS intents API.
-const char kCWSIntentServiceURL[] =
-  "https://www.googleapis.com/chromewebstore/v1.1b/items/intent";
-
-// Determines if a string is a candidate for localization.
-bool ShouldLocalize(const std::string& value) {
-  std::string::size_type index = 0;
-  index = value.find(extensions::MessageBundle::kMessageBegin);
-   if (index == std::string::npos)
-     return false;
-
-  index = value.find(extensions::MessageBundle::kMessageEnd, index);
-  return (index != std::string::npos);
-}
-
-// Parses a JSON |response| from the CWS into a list of suggested extensions,
-// stored in |intents|. |intents| must not be NULL.
-void ParseResponse(const std::string& response,
-                   CWSIntentsRegistry::IntentExtensionList* intents) {
-  std::string error;
-  scoped_ptr<Value> parsed_response;
-  JSONStringValueSerializer serializer(response);
-  parsed_response.reset(serializer.Deserialize(NULL, &error));
-  if (parsed_response.get() == NULL)
-    return;
-
-  DictionaryValue* response_dict = NULL;
-  if (!parsed_response->GetAsDictionary(&response_dict) || !response_dict)
-    return;
-
-  ListValue* items;
-  if (!response_dict->GetList("items", &items))
-    return;
-
-  for (ListValue::const_iterator iter(items->begin());
-       iter != items->end(); ++iter) {
-    DictionaryValue* item = static_cast<DictionaryValue*>(*iter);
-
-    // All fields are mandatory - skip this result if any field isn't found.
-    CWSIntentsRegistry::IntentExtensionInfo info;
-    if (!item->GetString("id", &info.id))
-      continue;
-
-    if (!item->GetInteger("num_ratings", &info.num_ratings))
-      continue;
-
-    if (!item->GetDouble("average_rating", &info.average_rating))
-      continue;
-
-    if (!item->GetString("manifest", &info.manifest))
-      continue;
-
-    std::string manifest_utf8 = UTF16ToUTF8(info.manifest);
-    JSONStringValueSerializer manifest_serializer(manifest_utf8);
-    scoped_ptr<Value> manifest_value;
-    manifest_value.reset(manifest_serializer.Deserialize(NULL, &error));
-    if (manifest_value.get() == NULL)
-      continue;
-
-    DictionaryValue* manifest_dict;
-    if (!manifest_value->GetAsDictionary(&manifest_dict) ||
-        !manifest_dict->GetString("name", &info.name))
-      continue;
-
-    string16 url_string;
-    if (!item->GetString("icon_url", &url_string))
-      continue;
-    info.icon_url = GURL(url_string);
-
-    // Need to parse CWS reply, since it is not pre-l10n'd.
-    ListValue* all_locales = NULL;
-    if (ShouldLocalize(UTF16ToUTF8(info.name)) &&
-        item->GetList("locale_data", &all_locales)) {
-      std::map<std::string, std::string> localized_title;
-
-      for (ListValue::const_iterator locale_iter(all_locales->begin());
-           locale_iter != all_locales->end(); ++locale_iter) {
-        DictionaryValue* locale = static_cast<DictionaryValue*>(*locale_iter);
-
-        std::string locale_id, title;
-        if (!locale->GetString("locale_string", &locale_id) ||
-            !locale->GetString("title", &title))
-          continue;
-
-        localized_title[locale_id] = title;
-      }
-
-      std::vector<std::string> valid_locales;
-      extension_l10n_util::GetAllFallbackLocales(
-          extension_l10n_util::CurrentLocaleOrDefault(),
-          "all",
-          &valid_locales);
-      for (std::vector<std::string>::iterator iter = valid_locales.begin();
-          iter != valid_locales.end(); ++iter) {
-        if (localized_title.count(*iter)) {
-            info.name = UTF8ToUTF16(localized_title[*iter]);
-            break;
-        }
-      }
-    }
-
-    intents->push_back(info);
-  }
-}
-
-}  // namespace
-
-// Internal object representing all data associated with a single query.
-struct CWSIntentsRegistry::IntentsQuery {
-  IntentsQuery();
-  ~IntentsQuery();
-
-  // Underlying URL request query.
-  scoped_ptr<net::URLFetcher> url_fetcher;
-
-  // The callback - invoked on completed retrieval.
-  ResultsCallback callback;
-};
-
-CWSIntentsRegistry::IntentsQuery::IntentsQuery() {
-}
-
-CWSIntentsRegistry::IntentsQuery::~IntentsQuery() {
-}
-
-CWSIntentsRegistry::IntentExtensionInfo::IntentExtensionInfo()
-    : num_ratings(0),
-      average_rating(0) {
-}
-
-CWSIntentsRegistry::IntentExtensionInfo::~IntentExtensionInfo() {
-}
-
-CWSIntentsRegistry::CWSIntentsRegistry(net::URLRequestContextGetter* context)
-    : request_context_(context) {
-}
-
-CWSIntentsRegistry::~CWSIntentsRegistry() {
-  // Cancel all pending queries, since we can't handle them any more.
-  STLDeleteValues(&queries_);
-}
-
-void CWSIntentsRegistry::OnURLFetchComplete(const net::URLFetcher* source) {
-  DCHECK(source);
-
-  URLFetcherHandle handle = reinterpret_cast<URLFetcherHandle>(source);
-  QueryMap::iterator it = queries_.find(handle);
-  DCHECK(it != queries_.end());
-  scoped_ptr<IntentsQuery> query(it->second);
-  DCHECK(query.get() != NULL);
-  queries_.erase(it);
-
-  std::string response;
-  source->GetResponseAsString(&response);
-
-  // TODO(groby): Do we really only accept 200, or any 2xx codes?
-  IntentExtensionList intents;
-  if (source->GetResponseCode() == 200)
-    ParseResponse(response, &intents);
-
-  if (!query->callback.is_null())
-    query->callback.Run(intents);
-}
-
-void CWSIntentsRegistry::GetIntentServices(const string16& action,
-                                           const string16& mimetype,
-                                           const ResultsCallback& cb) {
-  scoped_ptr<IntentsQuery> query(new IntentsQuery);
-  query->callback = cb;
-  query->url_fetcher.reset(net::URLFetcher::Create(
-      0, BuildQueryURL(action,mimetype), net::URLFetcher::GET, this));
-
-  if (query->url_fetcher.get() == NULL)
-    return;
-
-  query->url_fetcher->SetRequestContext(request_context_);
-  query->url_fetcher->SetLoadFlags(
-      net::LOAD_DO_NOT_SEND_COOKIES | net::LOAD_DO_NOT_SAVE_COOKIES);
-
-  URLFetcherHandle handle = reinterpret_cast<URLFetcherHandle>(
-      query->url_fetcher.get());
-  queries_[handle] = query.release();
-  queries_[handle]->url_fetcher->Start();
-}
-
-// static
-GURL CWSIntentsRegistry::BuildQueryURL(const string16& action,
-                                       const string16& type) {
-  GURL request(kCWSIntentServiceURL);
-  request = net::AppendQueryParameter(request, "intent", UTF16ToUTF8(action));
-  request = net::AppendQueryParameter(request, "mime_types", UTF16ToUTF8(type));
-  request = net::AppendQueryParameter(request, "start_index", "0");
-  request = net::AppendQueryParameter(request, "num_results", kMaxSuggestions);
-  request = net::AppendQueryParameter(request, "key", google_apis::GetAPIKey());
-
-  return request;
-}