browser: Move more files into chrome namespace.

chrome/browser/printing/print_error_dialog.cc

Index: chrome/browser/printing/print_error_dialog.cc
diff --git a/chrome/browser/printing/print_error_dialog.cc b/chrome/browser/printing/print_error_dialog.cc
index c47c14c4609e38efbf183a0e2e0094a63260ed2c..e1986ad4e78605c5e31b117577593a614f9db3e1 100644
--- a/chrome/browser/printing/print_error_dialog.cc
+++ b/chrome/browser/printing/print_error_dialog.cc
@@ -8,7 +8,7 @@
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
-namespace browser {
+namespace chrome {
 
 void ShowPrintErrorDialog(gfx::NativeWindow parent) {
   browser::ShowMessageBox(
@@ -18,5 +18,4 @@ void ShowPrintErrorDialog(gfx::NativeWindow parent) {
       browser::MESSAGE_BOX_TYPE_WARNING);
 }
 
-}  // namespace browser
-
+}  // namespace chrome