Initialize FontConfigIPC when zygote is disabled so font fallback works.

content/renderer/renderer_main.cc

Index: content/renderer/renderer_main.cc
diff --git a/content/renderer/renderer_main.cc b/content/renderer/renderer_main.cc
index 99a42094feaa839659a7401c6339afd4f2903780..900958e3438168fc2c619b1f375778e8da60a323 100644
--- a/content/renderer/renderer_main.cc
+++ b/content/renderer/renderer_main.cc
@@ -40,6 +40,12 @@
 #include "base/android/library_loader/library_loader_hooks.h"
 #endif  // OS_ANDROID
 
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
+#include "content/common/font_config_ipc_linux.h"
+#include "content/common/sandbox_linux/sandbox_linux.h"
+#include "third_party/skia/include/ports/SkFontConfigInterface.h"
+#endif
+
 #if defined(OS_MACOSX)
 #include <Carbon/Carbon.h>
 #include <signal.h>
@@ -110,6 +116,15 @@ int RendererMain(const MainFunctionParams& parameters) {
   }
 #endif
 
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
+  // This call could already have been made from zygote_main_linux.cc. However
+  // we need to do it here if Zygote is disabled.
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kNoZygote)) {
+    SkFontConfigInterface::SetGlobal(new FontConfigIPC(GetSandboxFD()))
+        ->unref();
+  }
+#endif
+
   SkGraphics::Init();
 #if defined(OS_ANDROID)
   const int kMB = 1024 * 1024;