Enforce a memory limit on MappedMemoryManager

content/browser/renderer_host/image_transport_factory_android.cc

Index: content/browser/renderer_host/image_transport_factory_android.cc
diff --git a/content/browser/renderer_host/image_transport_factory_android.cc b/content/browser/renderer_host/image_transport_factory_android.cc
index 39071c9bec3fb24c3988d43741e9ed22ad6e8eaf..f538a095cfdb42a6290875b5d5ef0ce2752b326e 100644
--- a/content/browser/renderer_host/image_transport_factory_android.cc
+++ b/content/browser/renderer_host/image_transport_factory_android.cc
@@ -128,7 +128,9 @@ CmdBufferImageTransportFactory::CmdBufferImageTransportFactory() {
       64 * 1024,  // starting buffer size
       64 * 1024,  // min buffer size
       std::min(3 * full_screen_texture_size_in_bytes,
-               kDefaultMaxTransferBufferSize));
+               kDefaultMaxTransferBufferSize),
+      64 * 1024   // mapped memory limit
+  );
 
   if (context_->makeContextCurrent())
     context_->pushGroupMarkerEXT(