Moves methods for finding browsers to browser_finder.

chrome/browser/first_run/first_run.cc

Index: chrome/browser/first_run/first_run.cc
diff --git a/chrome/browser/first_run/first_run.cc b/chrome/browser/first_run/first_run.cc
index 0387368a0b4e1101d7a0de2c91d94b01a875f3fb..f831c6b469b1c0405899bbe407af86ae07c60c8a 100644
--- a/chrome/browser/first_run/first_run.cc
+++ b/chrome/browser/first_run/first_run.cc
@@ -28,6 +28,7 @@
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/global_error_service.h"
 #include "chrome/browser/ui/global_error_service_factory.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
@@ -497,7 +498,7 @@ void FirstRunBubbleLauncher::Observe(
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(type, content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME);
-  Browser* browser = BrowserList::FindBrowserWithWebContents(
+  Browser* browser = browser::FindBrowserWithWebContents(
       content::Source<content::WebContents>(source).ptr());
   if (!browser || !browser->is_type_tabbed())
     return;