Move text_field.cc and rename the class to Textfield in preparation for porti...

chrome/browser/views/about_network_dialog.h

Index: chrome/browser/views/about_network_dialog.h
===================================================================
--- chrome/browser/views/about_network_dialog.h	(revision 17006)
+++ chrome/browser/views/about_network_dialog.h	(working copy)
@@ -11,7 +11,7 @@
 
 namespace views {
 class TextButton;
-class TextField;
+class Textfield;
 }  // namespace views
 
 class AboutNetworkDialog : public views::DialogDelegate,
@@ -53,7 +53,7 @@
   views::TextButton* track_toggle_;
   views::TextButton* show_button_;
   views::TextButton* clear_button_;
-  views::TextField* text_field_;
+  views::Textfield* text_field_;
 
   // Set to true when we're tracking network status.
   bool tracking_;