Partially componentize //chrome/browser/search/search.{h,cc}

chrome/browser/search/search.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_SEARCH_SEARCH_H_
 #define CHROME_BROWSER_SEARCH_SEARCH_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 10 matching lines @@
 namespace content {
 class BrowserContext;
 class NavigationEntry;
 class WebContents;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
-namespace chrome {
+namespace search {
 
 // For reporting Cacheable NTP navigations.
 enum CacheableNTPLoad {
   CACHEABLE_NTP_LOAD_FAILED = 0,
   CACHEABLE_NTP_LOAD_SUCCEEDED = 1,
   CACHEABLE_NTP_LOAD_MAX = 2
 };
 
 enum OptInState {
   // The user has not manually opted in/out of InstantExtended.
   INSTANT_EXTENDED_NOT_SET,
   // The user has opted-in to InstantExtended.
   INSTANT_EXTENDED_OPT_IN,
   // The user has opted-out of InstantExtended.
   INSTANT_EXTENDED_OPT_OUT,
   INSTANT_EXTENDED_OPT_IN_STATE_ENUM_COUNT,
 };
 
-// Use this value for "start margin" to prevent the "es_sm" parameter from
-// being used.
-extern const int kDisableStartMargin;
-
 // Returns whether the suggest is enabled for the given |profile|.
 bool IsSuggestPrefEnabled(Profile* profile);
 
-// Returns a string indicating whether InstantExtended is enabled, suitable
-// for adding as a query string param to the homepage or search requests.
-// Returns an empty string otherwise.
-//
-// |for_search| should be set to true for search requests, in which case this
-// returns a non-empty string only if query extraction is enabled.
-std::string InstantExtendedEnabledParam(bool for_search);
-
-// Returns a string that will cause the search results page to update
-// incrementally. Currently, Instant Extended passes a different param to
-// search results pages that also has this effect, so by default this function
-// returns the empty string when Instant Extended is enabled. However, when
-// doing instant search result prerendering, we still need to pass this param,
-// as Instant Extended does not cause incremental updates by default for the
-// prerender page. Callers should set |for_prerender| in this case to force
-// the returned string to be non-empty.
-std::string ForceInstantResultsParam(bool for_prerender);
-
-// Returns whether query extraction is enabled.
-bool IsQueryExtractionEnabled();
-
 // Extracts and returns search terms from |url|. Does not consider
 // IsQueryExtractionEnabled() and Instant support state of the page and does
 // not check for a privileged process, so most callers should use
 // GetSearchTerms() below instead.
 base::string16 ExtractSearchTermsFromURL(Profile* profile, const GURL& url);
 
 // Returns true if it is okay to extract search terms from |url|. |url| must
 // have a secure scheme and must contain the search terms replacement key for
 // the default search provider.
 bool IsQueryExtractionAllowedForURL(Profile* profile, const GURL& url);
@@ skipping 53 matching lines @@
 GURL GetInstantURL(Profile* profile, bool force_instant_results);
 
 // Returns URLs associated with the default search engine for |profile|.
 std::vector<GURL> GetSearchURLs(Profile* profile);
 
 // Returns the default search engine base page URL to prefetch search results.
 // Returns an empty URL if 'prefetch_results' flag is set to false in field
 // trials.
 GURL GetSearchResultPrefetchBaseURL(Profile* profile);
 
-// Returns true if 'prefetch_results' flag is set to true in field trials to
-// prefetch high-confidence search suggestions.
-bool ShouldPrefetchSearchResults();
-
-// Returns true if 'allow_prefetch_non_default_match' flag is enabled in field
-// trials to allow prefetching the suggestion marked to be prefetched by the
-// suggest server even if it is not the default match.
-bool ShouldAllowPrefetchNonDefaultMatch();
-
 // Returns true if 'prerender_instant_url_on_omnibox_focus' flag is enabled in
 // field trials to prerender Instant search base page when the omnibox is
 // focused.
 bool ShouldPrerenderInstantUrlOnOmniboxFocus();
 
-// Returns true if 'reuse_instant_search_base_page' flag is set to true in field
-// trials to reuse the prerendered page to commit any search query.
-bool ShouldReuseInstantSearchBasePage();
-
 // Returns the Local Instant URL of the New Tab Page.
 // TODO(kmadhusu): Remove this function and update the call sites.
 GURL GetLocalInstantURL(Profile* profile);
 
 // Returns true if the local new tab page should show a Google logo and search
 // box for users whose default search provider is Google, or false if not.
 bool ShouldShowGoogleLocalNTP();
 
 // Transforms the input |url| into its "effective URL". The returned URL
 // facilitates grouping process-per-site. The |url| is transformed, for
@@ skipping 34 matching lines @@
 InstantSupportState GetInstantSupportStateFromNavigationEntry(
     const content::NavigationEntry& entry);
 
 // Returns true if the field trial flag is enabled to prefetch results on SRP.
 bool ShouldPrefetchSearchResultsOnSRP();
 
 // -----------------------------------------------------
 // The following APIs are exposed for use in tests only.
 // -----------------------------------------------------
 
-// Forces query in the omnibox to be on for tests.
-void EnableQueryExtractionForTesting();
-
 // Returns the Cacheable New Tab Page URL for the given |profile|.
 GURL GetNewTabPageURL(Profile* profile);
 
 // Returns true if 'use_alternate_instant_url' flag is set to true in field
 // trials to use an alternate Instant search base page URL for prefetching
 // search results. This allows experimentation of Instant search.
 bool ShouldUseAltInstantURL();
 
 // Returns true if 'use_search_path_for_instant' flag is set to true in field
 // trials to use an '/search' path in an alternate Instant search base page URL
 // for prefetching search results. This allows experimentation of Instant
 // search.
 bool ShouldUseSearchPathForInstant();
 
-}  // namespace chrome
+}  // namespace search
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_