Generate IDs for --load-extension by hashing the path instead

chrome/browser/extensions/sandboxed_extension_unpacker.cc

Index: chrome/browser/extensions/sandboxed_extension_unpacker.cc
diff --git a/chrome/browser/extensions/sandboxed_extension_unpacker.cc b/chrome/browser/extensions/sandboxed_extension_unpacker.cc
index 700313955b0c229501cf41d4b11588e51eef8fdb..184432c8c9a2b728712e548a151466c09dc61a90 100644
--- a/chrome/browser/extensions/sandboxed_extension_unpacker.cc
+++ b/chrome/browser/extensions/sandboxed_extension_unpacker.cc
@@ -119,18 +119,13 @@ void SandboxedExtensionUnpacker::OnUnpackExtensionSucceeded(
     return;
   }
 
-  // Delete any images that may be used by the browser.  We're going to write
-  // out our own versions of the parsed images, and we want to make sure the
-  // originals are gone for good.
-  extension_.reset(new Extension);
-  std::string manifest_error;
-
-  // Update the path to refer to the temporary location. We do this because
-  // clients may want to use resources inside the extension before it is
-  // installed and they need the correct path. For example, the install UI shows
-  // one of the icons from the extension.
-  extension_->set_path(extension_root_);
+  // Create an extension object that refers to the temporary location the
+  // extension was unpacked to. We use this until the extension is finally
+  // installed. For example, the install UI shows images from inside the
+  // extension.
+  extension_.reset(new Extension(extension_root_));
 
+  std::string manifest_error;
   if (!extension_->InitFromValue(*final_manifest, true,  // require id
                                  &manifest_error)) {
     ReportFailure(std::string("Manifest is invalid: ") +
@@ -138,6 +133,9 @@ void SandboxedExtensionUnpacker::OnUnpackExtensionSucceeded(
     return;
   }
 
+  // Delete any images that may be used by the browser.  We're going to write
+  // out our own versions of the parsed images, and we want to make sure the
+  // originals are gone for good.
   std::set<FilePath> image_paths = extension_->GetBrowserImages();
   if (image_paths.size() != images.size()) {
     ReportFailure("Decoded images don't match what's in the manifest.");