Give QuickTime the plugin stream data in writeable memory as it modifies it.

content/child/npapi/webplugin_delegate_impl.cc

Index: content/child/npapi/webplugin_delegate_impl.cc
===================================================================
--- content/child/npapi/webplugin_delegate_impl.cc	(revision 245386)
+++ content/child/npapi/webplugin_delegate_impl.cc	(working copy)
@@ -11,6 +11,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/child/npapi/plugin_instance.h"
 #include "content/child/npapi/plugin_lib.h"
 #include "content/child/npapi/plugin_stream_url.h"
@@ -51,6 +52,9 @@
     const std::vector<std::string>& arg_names,
     const std::vector<std::string>& arg_values,
     bool load_manually) {
+  if (instance_->mime_type() == "video/quicktime")
+    quirks_ |= PLUGIN_QUIRK_COPY_STREAM_DATA;
+
   instance_->set_web_plugin(plugin_);
   if (quirks_ & PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES) {
     PluginLib* plugin_lib = instance()->plugin_lib();
@@ -316,10 +320,11 @@
   PluginStreamUrl* plugin_stream = instance()->CreateStream(
       resource_id, url, std::string(), notify_id);
 
+  bool copy_stream_data = !!(quirks_ & PLUGIN_QUIRK_COPY_STREAM_DATA);
   plugin_stream->SetPluginURLFetcher(new PluginURLFetcher(
       plugin_stream, url, first_party_for_cookies, method, buf, len,
       referrer, notify_redirects, is_plugin_src_load, origin_pid,
-      render_frame_id, resource_id));
+      render_frame_id, resource_id, copy_stream_data));
 }
 
 }  // namespace content