extensions: Print to stdout on all platform with --pack-extension.

chrome/browser/extensions/extensions_startup.cc

Index: chrome/browser/extensions/extensions_startup.cc
diff --git a/chrome/browser/extensions/extensions_startup.cc b/chrome/browser/extensions/extensions_startup.cc
index cd11840f73b394350878e2a49af308d0bb04ba44..64a40254bd6dc394ca27cb16f53897eda598c776 100644
--- a/chrome/browser/extensions/extensions_startup.cc
+++ b/chrome/browser/extensions/extensions_startup.cc
@@ -9,26 +9,31 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/simple_message_box.h"
 #include "chrome/common/chrome_switches.h"
 
+namespace {
+
+void PrintPackExtensionMessage(const std::string& message) {
+  base::StringPrintf("%s\n", message.c_str());
+}
+
+}  // namespace
+
 ExtensionsStartupUtil::ExtensionsStartupUtil() : pack_job_succeeded_(false) {}
 
 void ExtensionsStartupUtil::OnPackSuccess(
     const FilePath& crx_path,
     const FilePath& output_private_key_path) {
   pack_job_succeeded_ = true;
-  chrome::ShowMessageBox(NULL, ASCIIToUTF16("Extension Packaging Success"),
-      PackExtensionJob::StandardSuccessMessage(crx_path,
-                                               output_private_key_path),
-      chrome::MESSAGE_BOX_TYPE_INFORMATION);
+  PrintPackExtensionMessage(
+      UTF16ToUTF8(PackExtensionJob::StandardSuccessMessage(crx_path,

[Aaron Boodman, 2012/08/15 03:41:43]

Indent is weird here. I think that PackExtensionJob::StandardSuccessMessage
should be on a new line.

+          output_private_key_path)));
 }
 
 void ExtensionsStartupUtil::OnPackFailure(
     const std::string& error_message,
     extensions::ExtensionCreator::ErrorType type) {
-  chrome::ShowMessageBox(NULL, ASCIIToUTF16("Extension Packaging Error"),
-      UTF8ToUTF16(error_message), chrome::MESSAGE_BOX_TYPE_WARNING);
+  PrintPackExtensionMessage(error_message);
 }
 
 bool ExtensionsStartupUtil::PackExtension(const CommandLine& cmd_line) {