Remove command line flags for tweaking suggestions page.

BUG=352790
TEST=manually compile (chrome, brower_tests, unit_tests)

Review URL: https://codereview.chromium.org/356383002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@281919 0039d316-1c4b-4281-b951-d872f2087c98

AUTHORS

@@ -185,6 +185,7 @@ Joe Thomas <mhx348@motorola.com>
 Joel Stanley <joel@jms.id.au>
 Johannes Rudolph <johannes.rudolph@googlemail.com>
 John Yani <vanuan@gmail.com>
+John Yoo <nearbyh13@gmail.com>
 Jonathan Hacker <jhacker@arcanefour.com>
 Jongsoo Lee <leejongsoo@gmail.com>
 Joone Hur <joone.hur@intel.com>

chrome/browser/ui/webui/ntp/suggestions_source_top_sites.cc

@@ -128,22 +128,11 @@ void SuggestionsSourceTopSites::OnSuggestionsUrlsAvailable(
 
 // static
 base::TimeDelta SuggestionsSourceTopSites::GetFilterWidth() {
-  const CommandLine* cli = CommandLine::ForCurrentProcess();
-  const std::string filter_width_switch =
-      cli->GetSwitchValueASCII(switches::kSuggestionNtpFilterWidth);
-  unsigned int filter_width;
-  if (base::StringToUint(filter_width_switch, &filter_width))
-    return base::TimeDelta::FromMinutes(filter_width);
   return base::TimeDelta::FromHours(1);
 }
 
 // static
 history::VisitFilter::SortingOrder
 SuggestionsSourceTopSites::GetSortingOrder() {
-  const CommandLine* cli = CommandLine::ForCurrentProcess();
-  if (cli->HasSwitch(switches::kSuggestionNtpGaussianFilter))
-    return history::VisitFilter::ORDER_BY_TIME_GAUSSIAN;
-  if (cli->HasSwitch(switches::kSuggestionNtpLinearFilter))
-    return history::VisitFilter::ORDER_BY_TIME_LINEAR;
   return history::VisitFilter::ORDER_BY_RECENCY;
 }

chrome/common/chrome_switches.cc

@@ -1160,18 +1160,6 @@ const char kSSLVersionMin[]                 = "ssl-version-min";
 // Starts the browser maximized, regardless of any previous settings.
 const char kStartMaximized[]                = "start-maximized";
 
-// Controls the width of time-of-day filters on the 'suggested' ntp page, in
-// minutes.
-const char kSuggestionNtpFilterWidth[]      = "suggestion-ntp-filter-width";
-
-// Enables a normal distribution dropoff to the relevancy of visits with respect
-// to the time of day.
-const char kSuggestionNtpGaussianFilter[]   = "suggestion-ntp-gaussian-filter";
-
-// Enables a linear dropoff to the relevancy of visits with respect to the time
-// of day.
-const char kSuggestionNtpLinearFilter[]     = "suggestion-ntp-linear-filter";
-
 // Sets the supervised user ID for any loaded or newly created profile to the
 // given value. Pass an empty string to mark the profile as non-supervised.
 // Used for testing.

chrome/common/chrome_switches.h

@@ -325,9 +325,6 @@ extern const char kSSLInterstitialV2Guard[];
 extern const char kSSLVersionMax[];
 extern const char kSSLVersionMin[];
 extern const char kStartMaximized[];
-extern const char kSuggestionNtpFilterWidth[];
-extern const char kSuggestionNtpGaussianFilter[];
-extern const char kSuggestionNtpLinearFilter[];
 extern const char kSupervisedUserId[];
 extern const char kSupervisedUserSyncToken[];
 extern const char kSyncShortInitialRetryOverride[];