Rename JavaScript "messages" to "dialogs".

chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc

Index: chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc
diff --git a/chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc b/chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc
index 54cebcb9853b1ec6d6cc5ddc5b874e95fcefcfe5..3865f91acc60fb528ee15df492cc296425247759 100644
--- a/chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc
+++ b/chrome/browser/ui/javascript_dialogs/javascript_dialog_mac.cc
@@ -22,18 +22,18 @@ base::WeakPtr<JavaScriptDialog> JavaScriptDialog::Create(
     content::WebContents* parent_web_contents,
     content::WebContents* alerting_web_contents,
     const base::string16& title,
-    content::JavaScriptMessageType message_type,
+    content::JavaScriptDialogType dialog_type,
     const base::string16& message_text,
     const base::string16& default_prompt_text,
     const content::JavaScriptDialogManager::DialogClosedCallback&
         dialog_callback) {
   if (ui::MaterialDesignController::IsSecondaryUiMaterial()) {
     return JavaScriptDialogViews::Create(
-        parent_web_contents, alerting_web_contents, title, message_type,
+        parent_web_contents, alerting_web_contents, title, dialog_type,
         message_text, default_prompt_text, dialog_callback);
   } else {
     return JavaScriptDialogCocoa::Create(
-        parent_web_contents, alerting_web_contents, title, message_type,
+        parent_web_contents, alerting_web_contents, title, dialog_type,
         message_text, default_prompt_text, dialog_callback);
   }
 }