Sandbox html_viewer on Linux.

components/html_viewer/global_state.cc

Index: components/html_viewer/global_state.cc
diff --git a/components/html_viewer/global_state.cc b/components/html_viewer/global_state.cc
index ec0f570951c647531596cc5dc7c4cc485ed3ef25..870c4e7a90bb40594768e976b123d40993b31088 100644
--- a/components/html_viewer/global_state.cc
+++ b/components/html_viewer/global_state.cc
@@ -22,6 +22,10 @@
 #include "ui/mojo/init/ui_init.h"
 #include "v8/include/v8.h"
 
+#if defined(OS_LINUX) && !defined(OS_ANDROID)
+#include "components/font_service/public/cpp/font_loader.h"
+#endif
+
 namespace html_viewer {
 
 namespace {
@@ -93,6 +97,10 @@ void GlobalState::InitIfNecessary(const gfx::Size& screen_size_in_pixels,
     return;
   }
 
+#if defined(OS_LINUX) && !defined(OS_ANDROID)
+  SkFontConfigInterface::SetGlobal(new font_service::FontLoader(app_));
+#endif
+
   ui_init_.reset(
       new ui::mojo::UIInit(screen_size_in_pixels, device_pixel_ratio));
   base::DiscardableMemoryAllocator::SetInstance(&discardable_memory_allocator_);