Some refactorings to facilitate a larger change to TemplateURLService.

chrome/browser/search_engines/template_url_service.cc

 // 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/search_engines/template_url_service.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 33 matching lines @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/common/constants.h"
 #include "net/base/net_util.h"
 #include "sync/api/sync_change.h"
 #include "sync/api/sync_error_factory.h"
 #include "sync/protocol/search_engine_specifics.pb.h"
 #include "sync/protocol/sync.pb.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "url/gurl.h"
 
 typedef SearchHostToURLsMap::TemplateURLSet TemplateURLSet;
 typedef TemplateURLService::SyncDataMap SyncDataMap;
 
 namespace {
 
 const char kFirstPotentialEngineHistogramName[] =
     "Search.FirstPotentialEngineCalled";
 
 // Values for an enumerated histogram used to track whenever
@@ skipping 194 matching lines @@
       load_handle_(0),
       default_search_provider_(NULL),
       is_default_search_managed_(false),
       next_id_(kInvalidTemplateURLID + 1),
       time_provider_(&base::Time::Now),
       models_associated_(false),
       processing_syncer_changes_(false),
       pending_synced_default_search_(false),
       dsp_change_origin_(DSP_CHANGE_OTHER),
       default_search_manager_(
-          new DefaultSearchManager(GetPrefs(),
-                                   DefaultSearchManager::ObserverCallback())) {
+          GetPrefs(),
+          DefaultSearchManager::ObserverCallback()) {
   DCHECK(profile_);
   Init(NULL, 0);
 }
 
 TemplateURLService::TemplateURLService(const Initializer* initializers,
                                        const int count)
     : provider_map_(new SearchHostToURLsMap),
       profile_(NULL),
       loaded_(false),
       load_failed_(false),
       load_handle_(0),
       service_(NULL),
       default_search_provider_(NULL),
       is_default_search_managed_(false),
       next_id_(kInvalidTemplateURLID + 1),
       time_provider_(&base::Time::Now),
       models_associated_(false),
       processing_syncer_changes_(false),
       pending_synced_default_search_(false),
-      dsp_change_origin_(DSP_CHANGE_OTHER) {
+      dsp_change_origin_(DSP_CHANGE_OTHER),
+      default_search_manager_(
+          GetPrefs(),
+          DefaultSearchManager::ObserverCallback()) {
   Init(initializers, count);
 }
 
 TemplateURLService::~TemplateURLService() {
   // |service_| should be deleted during Shutdown().
   DCHECK(!service_);
   STLDeleteElements(&template_urls_);
 }
 
 // static
@@ skipping 265 matching lines @@
   // be replaced. We do this to ensure that if the user assigns a different
   // keyword to a generated TemplateURL, we won't regenerate another keyword for
   // the same host.
   return !url.is_valid() || url.host().empty() ||
       CanReplaceKeywordForHost(url.host(), template_url_to_replace);
 }
 
 void TemplateURLService::FindMatchingKeywords(
     const base::string16& prefix,
     bool support_replacement_only,
-    TemplateURLVector* matches) const {
+    TemplateURLVector* matches) {
   // Sanity check args.
   if (prefix.empty())
     return;
   DCHECK(matches != NULL);
   DCHECK(matches->empty());  // The code for exact matches assumes this.
 
   // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
   TemplateURL* const kNullTemplateURL = NULL;
 
   // Find matching keyword range.  Searches the element map for keywords
@@ skipping 232 matching lines @@
   return  !is_default_search_managed() &&
       !IsExtensionControlledDefaultSearch() &&
       (url != GetDefaultSearchProvider()) &&
       url->url_ref().SupportsReplacement() &&
       (url->GetType() == TemplateURL::NORMAL);
 }
 
 void TemplateURLService::SetUserSelectedDefaultSearchProvider(
     TemplateURL* url) {
   SetDefaultSearchProvider(url);
-  if (default_search_manager_) {
-    if (url)
-      default_search_manager_->SetUserSelectedDefaultSearchEngine(url->data());
-    else
-      default_search_manager_->ClearUserSelectedDefaultSearchEngine();
-  }
+  if (url)
+    default_search_manager_.SetUserSelectedDefaultSearchEngine(url->data());
+  else
+    default_search_manager_.ClearUserSelectedDefaultSearchEngine();
 }
 
 TemplateURL* TemplateURLService::GetDefaultSearchProvider() {
   return (loaded_ && !load_failed_) ?
       default_search_provider_ : initial_default_search_provider_.get();
 }
 
 bool TemplateURLService::IsSearchResultsPageFromDefaultSearchProvider(
     const GURL& url) {
   TemplateURL* default_provider = GetDefaultSearchProvider();
@@ skipping 332 matching lines @@
         data.SetKeyword(updated_keyword);
         TemplateURL new_turl(existing_turl->profile(), data);
         UIThreadSearchTermsData search_terms_data(existing_turl->profile());
         if (UpdateNoNotify(existing_turl, new_turl, search_terms_data))
           NotifyObservers();
 
         syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(new_turl);
         new_changes.push_back(syncer::SyncChange(FROM_HERE,
                                                  syncer::SyncChange::ACTION_ADD,
                                                  sync_data));
-        // Ignore the delete attempt. This means we never end up reseting the
+        // Ignore the delete attempt. This means we never end up resetting the
         // default search provider due to an ACTION_DELETE from sync.
         continue;
       }
 
       Remove(existing_turl);
     } else if (iter->change_type() == syncer::SyncChange::ACTION_ADD) {
       if (existing_turl) {
         error = sync_error_factory_->CreateAndUploadError(
             FROM_HERE,
             "ProcessSyncChanges failed on ChangeType ACTION_ADD");
@@ skipping 1474 matching lines @@
     // Don't log anything if the user has a NULL default search provider.
     if (default_search_provider_) {
       UMA_HISTOGRAM_ENUMERATION("Search.DefaultSearchProviderType",
           TemplateURLPrepopulateData::GetEngineType(*default_search_provider_),
           SEARCH_ENGINE_MAX);
     }
   }
 }
 
 TemplateURL* TemplateURLService::CreateTemplateURLForExtension(
-    const ExtensionKeyword& extension_keyword) const {
+    const ExtensionKeyword& extension_keyword) {
   TemplateURLData data;
   data.short_name = base::UTF8ToUTF16(extension_keyword.extension_name);
   data.SetKeyword(base::UTF8ToUTF16(extension_keyword.extension_keyword));
   // This URL is not actually used for navigation. It holds the extension's
   // ID, as well as forcing the TemplateURL to be treated as a search keyword.
   data.SetURL(std::string(extensions::kExtensionScheme) + "://" +
       extension_keyword.extension_id + "/?q={searchTerms}");
   return new TemplateURL(profile_, data);
 }
 
 TemplateURL* TemplateURLService::FindTemplateURLForExtension(
     const std::string& extension_id,
-    TemplateURL::Type type) const {
+    TemplateURL::Type type) {
   DCHECK_NE(TemplateURL::NORMAL, type);
   for (TemplateURLVector::const_iterator i = template_urls_.begin();
        i != template_urls_.end(); ++i) {
     if ((*i)->GetType() == type &&
         (*i)->GetExtensionId() == extension_id)
       return *i;
   }
 
   return NULL;
 }
@@ skipping 30 matching lines @@
           new_dse = *i;
           break;
         }
       }
     }
   }
   if (!new_dse)
     new_dse = FindNewDefaultSearchProvider();
   SetDefaultSearchProviderNoNotify(new_dse);
 }