Rename JavaScript "messages" to "dialogs".

content/shell/browser/shell_javascript_dialog.h

Index: content/shell/browser/shell_javascript_dialog.h
diff --git a/content/shell/browser/shell_javascript_dialog.h b/content/shell/browser/shell_javascript_dialog.h
index b113385640bbbd4aaa962e98421234ef1af603f7..c4461a60ac67f3ebb833d8888753599d5d8962c8 100644
--- a/content/shell/browser/shell_javascript_dialog.h
+++ b/content/shell/browser/shell_javascript_dialog.h
@@ -26,7 +26,7 @@ class ShellJavaScriptDialog {
   ShellJavaScriptDialog(
       ShellJavaScriptDialogManager* manager,
       gfx::NativeWindow parent_window,
-      JavaScriptMessageType message_type,
+      JavaScriptDialogType dialog_type,
       const base::string16& message_text,
       const base::string16& default_prompt_text,
       const JavaScriptDialogManager::DialogClosedCallback& callback);
@@ -42,7 +42,7 @@ class ShellJavaScriptDialog {
   ShellJavaScriptDialogHelper* helper_;  // owned
 #elif defined(OS_WIN)
   ShellJavaScriptDialogManager* manager_;
-  JavaScriptMessageType message_type_;
+  JavaScriptDialogType dialog_type_;
   HWND dialog_win_;
   base::string16 message_text_;
   base::string16 default_prompt_text_;