Refactor to move chrome_page_zoom functions to components/ui/zoom.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index 7d1874c0c99ae63fbbe98925f6fdf3c00d6057f9..1e12ddb11e31eae738e134eefc8ceba94a0a4feb 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -25,7 +25,6 @@
 #include "chrome/browser/auto_launch_trial.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/chrome_page_zoom.h"
 #include "chrome/browser/custom_home_pages_table_model.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/gpu/gpu_mode_manager.h"
@@ -79,6 +78,7 @@
 #include "components/search_engines/template_url_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/signin/core/common/profile_management_switches.h"
+#include "components/ui/zoom/page_zoom.h"
 #include "components/user_manager/user_type.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_manager.h"
@@ -1926,7 +1926,7 @@ void BrowserOptionsHandler::SetupPageZoomSelector() {
   // Generate a vector of zoom factors from an array of known presets along with
   // the default factor added if necessary.
   std::vector<double> zoom_factors =
-      chrome_page_zoom::PresetZoomFactors(default_zoom_factor);
+      ui_zoom::PageZoom::PresetZoomFactors(default_zoom_factor);
 
   // Iterate through the zoom factors and and build the contents of the
   // selector that will be sent to the javascript handler.