[PhysicalWeb] Add physical_web namespace.

chrome/browser/autocomplete/chrome_autocomplete_provider_client.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_CHROME_AUTOCOMPLETE_PROVIDER_CLIENT_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_CHROME_AUTOCOMPLETE_PROVIDER_CLIENT_H_
 
 #include "base/macros.h"
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/search_engines/ui_thread_search_terms_data.h"
@@ skipping 16 matching lines @@
   bookmarks::BookmarkModel* GetBookmarkModel() override;
   history::URLDatabase* GetInMemoryDatabase() override;
   InMemoryURLIndex* GetInMemoryURLIndex() override;
   TemplateURLService* GetTemplateURLService() override;
   const TemplateURLService* GetTemplateURLService() const override;
   const SearchTermsData& GetSearchTermsData() const override;
   scoped_refptr<ShortcutsBackend> GetShortcutsBackend() override;
   scoped_refptr<ShortcutsBackend> GetShortcutsBackendIfExists() override;
   std::unique_ptr<KeywordExtensionsDelegate> GetKeywordExtensionsDelegate(
       KeywordProvider* keyword_provider) override;
-  PhysicalWebDataSource* GetPhysicalWebDataSource() override;
+  physical_web::PhysicalWebDataSource* GetPhysicalWebDataSource() override;
   std::string GetAcceptLanguages() const override;
   std::string GetEmbedderRepresentationOfAboutScheme() override;
   std::vector<base::string16> GetBuiltinURLs() override;
   std::vector<base::string16> GetBuiltinsToProvideAsUserTypes() override;
   bool IsOffTheRecord() const override;
   bool SearchSuggestEnabled() const override;
   bool TabSyncEnabledAndUnencrypted() const override;
   void Classify(
       const base::string16& text,
       bool prefer_keyword,
@@ skipping 10 matching lines @@
 
  private:
   Profile* profile_;
   ChromeAutocompleteSchemeClassifier scheme_classifier_;
   UIThreadSearchTermsData search_terms_data_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAutocompleteProviderClient);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_CHROME_AUTOCOMPLETE_PROVIDER_CLIENT_H_