Allow drag-and-drop of zipped extensions on chrome://extensions

chrome/browser/extensions/unpacked_installer.cc

Index: chrome/browser/extensions/unpacked_installer.cc
diff --git a/chrome/browser/extensions/unpacked_installer.cc b/chrome/browser/extensions/unpacked_installer.cc
index 6d4946cc13b455551bcf0e87fce67be7439b1ec0..a560457efa2aff707b6a9c8c3de3d551e1d3a3bc 100644
--- a/chrome/browser/extensions/unpacked_installer.cc
+++ b/chrome/browser/extensions/unpacked_installer.cc
@@ -8,6 +8,7 @@
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
@@ -164,6 +165,34 @@ bool UnpackedInstaller::LoadFromCommandLine(const base::FilePath& path_in,
   return true;
 }
 
+void UnpackedInstaller::LoadFromZipFile(const base::FilePath& zip_path) {
+  scoped_refptr<SandboxedUnpacker> unpacker(new SandboxedUnpacker(
+      zip_path,
+      Manifest::UNPACKED,
+      0,
+      base::FilePath(),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
+      this));
+
+  BrowserThread::PostTask(
+      BrowserThread::FILE,
+      FROM_HERE,
+      base::Bind(&SandboxedUnpacker::Start, unpacker.get()));
+}
+
+void UnpackedInstaller::OnUnpackSuccess(
+    const base::FilePath& temp_dir,
+    const base::FilePath& extension_root,
+    const base::DictionaryValue* original_manifest,
+    const Extension* extension,
+    const SkBitmap& install_icon) {
+  Load(extension_root);
+}
+
+void UnpackedInstaller::OnUnpackFailure(const base::string16& error) {
+  ReportExtensionLoadError(base::UTF16ToUTF8(error));
+}
+
 void UnpackedInstaller::ShowInstallPrompt() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!service_weak_.get())