Support multiple service instances with GLInProcessContext

content/public/browser/android/synchronous_compositor.h

Index: content/public/browser/android/synchronous_compositor.h
diff --git a/content/public/browser/android/synchronous_compositor.h b/content/public/browser/android/synchronous_compositor.h
index c77d2a87100cdd5451a13c5bf518303cb455fece..1d03278d79b5d8b6a2e9454a7002a53f15afe0e7 100644
--- a/content/public/browser/android/synchronous_compositor.h
+++ b/content/public/browser/android/synchronous_compositor.h
@@ -7,6 +7,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
+#include "gpu/command_buffer/service/in_process_command_buffer.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
@@ -52,6 +53,9 @@ class CONTENT_EXPORT SynchronousCompositor {
   // the caller.
   virtual void SetClient(SynchronousCompositorClient* client) = 0;
 
+  static void SetGpuService(
+      scoped_refptr<gpu::InProcessCommandBuffer::Service> service);
+
   // Synchronously initialize compositor for hardware draw. Can only be called
   // while compositor is in software only mode, either after compositor is
   // first created or after ReleaseHwDraw is called. It is invalid to