browser: Move FindBrowserWithWebContents() into chrome namespace.

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index 49d60863a8e0c2cb35078953b9aeb40b4436be2f..42dee4ae4cdacdba1c53a127d2fb696c6073ed06 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -301,14 +301,14 @@ void HelpHandler::RelaunchNow(const ListValue* args) {
 
 void HelpHandler::OpenFeedbackDialog(const ListValue* args) {
   DCHECK(args->empty());
-  Browser* browser = browser::FindBrowserWithWebContents(
+  Browser* browser = chrome::FindBrowserWithWebContents(
       web_ui()->GetWebContents());
   chrome::OpenFeedbackDialog(browser);
 }
 
 void HelpHandler::OpenHelpPage(const base::ListValue* args) {
   DCHECK(args->empty());
-  Browser* browser = browser::FindBrowserWithWebContents(
+  Browser* browser = chrome::FindBrowserWithWebContents(
       web_ui()->GetWebContents());
   chrome::ShowHelp(browser, chrome::HELP_SOURCE_WEBUI);
 }