Have ScopedClipboardWriter and Clipboard::WriteObjects take a buffer parameter.

ui/base/clipboard/scoped_clipboard_writer.cc

Index: ui/base/clipboard/scoped_clipboard_writer.cc
diff --git a/ui/base/clipboard/scoped_clipboard_writer.cc b/ui/base/clipboard/scoped_clipboard_writer.cc
index 48565ab19ef6b2db7aff23336893d3a9b7d101ba..ff78537204f1d82ed68adcc49cdf23a2eb90c0d0 100644
--- a/ui/base/clipboard/scoped_clipboard_writer.cc
+++ b/ui/base/clipboard/scoped_clipboard_writer.cc
@@ -14,15 +14,16 @@
 
 namespace ui {
 
-ScopedClipboardWriter::ScopedClipboardWriter(Clipboard* clipboard)
-    : clipboard_(clipboard) {
+ScopedClipboardWriter::ScopedClipboardWriter(Clipboard* clipboard,
+                                             Clipboard::Buffer buffer)
+    : clipboard_(clipboard), buffer_(buffer) {
 }
 
 ScopedClipboardWriter::~ScopedClipboardWriter() {
   if (!objects_.empty() && clipboard_) {
-    clipboard_->WriteObjects(objects_);
+    clipboard_->WriteObjects(buffer_, objects_);
     if (url_text_.length())
-      clipboard_->DidWriteURL(url_text_);
+      clipboard_->DidWriteURL(buffer_, url_text_);
   }
 }