Moved CrxInstaller and CrxInstallerError into extensions namespace

chrome/browser/download/download_crx_util_android.cc

Index: chrome/browser/download/download_crx_util_android.cc
diff --git a/chrome/browser/download/download_crx_util_android.cc b/chrome/browser/download/download_crx_util_android.cc
index 0187c545da43ffa6df1612f6ee4daad3a7be393a..fad2ce3c18cae4ae9746fc2980a71ec9eacbb4ee 100644
--- a/chrome/browser/download/download_crx_util_android.cc
+++ b/chrome/browser/download/download_crx_util_android.cc
@@ -18,11 +18,12 @@ void SetMockInstallPromptForTesting(ExtensionInstallPrompt* mock_prompt) {
   NOTIMPLEMENTED();
 }
 
-scoped_refptr<CrxInstaller> OpenChromeExtension(
+scoped_refptr<extensions::CrxInstaller> OpenChromeExtension(
     Profile* profile,
     const DownloadItem& download_item) {
   NOTIMPLEMENTED() << "CrxInstaller not implemented on Android";
-  scoped_refptr<CrxInstaller> installer(CrxInstaller::Create(NULL, NULL));
+  scoped_refptr<extensions::CrxInstaller> installer(
+      extensions::CrxInstaller::Create(NULL, NULL));
   return installer;
 }