PPAPI: Do not try to allocation shared memory directly from a renderer. Always ask the browser.

content/renderer/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper_plugin_delegate_impl.cc
===================================================================
--- content/renderer/pepper_plugin_delegate_impl.cc	(revision 86296)
+++ content/renderer/pepper_plugin_delegate_impl.cc	(working copy)
@@ -1301,11 +1301,6 @@
     uint32_t size) {
   if (size == 0)
     return NULL;
-  scoped_ptr<base::SharedMemory> shm(new base::SharedMemory());
-  if (shm->CreateAnonymous(size))
-    return shm.release();
-  // The sandbox can prevent CreateAnonymous from succeeding, in which case we
-  // need to IPC to the browser process.
   base::SharedMemoryHandle handle;
   if (!render_view_->Send(
           new ViewHostMsg_AllocateSharedMemoryBuffer(size, &handle))) {
@@ -1316,6 +1311,5 @@
     DLOG(WARNING) << "Browser failed to allocate shared memory";
     return NULL;
   }
-  shm.reset(new base::SharedMemory(handle, false));
-  return shm.release();
+  return new base::SharedMemory(handle, false);
 }