Enforce a memory limit on MappedMemoryManager

content/browser/renderer_host/compositor_impl_android.cc

Index: content/browser/renderer_host/compositor_impl_android.cc
diff --git a/content/browser/renderer_host/compositor_impl_android.cc b/content/browser/renderer_host/compositor_impl_android.cc
index a3bcf1758bfb45d1f910f8e2f08425236345d2cc..97a8373f81cc7900bdfdba10dbbea16dd0a9cb19 100644
--- a/content/browser/renderer_host/compositor_impl_android.cc
+++ b/content/browser/renderer_host/compositor_impl_android.cc
@@ -390,7 +390,9 @@ CreateGpuProcessViewContext(
           64 * 1024,  // start transfer buffer size
           64 * 1024,  // min transfer buffer size
           std::min(3 * full_screen_texture_size_in_bytes,
-                   kDefaultMaxTransferBufferSize))) {
+                   kDefaultMaxTransferBufferSize),
+          64 * 1024   // mapped memory limit
+  )) {
     LOG(ERROR) << "Failed to create 3D context for compositor.";
     return scoped_ptr<WebGraphicsContext3DCommandBufferImpl>();
   }