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..5b745a4db38eb3a532fa01e7ea82ff85119e6b9a 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"
 
@@ -57,7 +58,9 @@ class CONTENT_EXPORT SynchronousCompositor {
   // first created or after ReleaseHwDraw is called. It is invalid to
   // DemandDrawHw before this returns true. |surface| is the GLSurface that
   // should be used to create the underlying hardware context.
-  virtual bool InitializeHwDraw(scoped_refptr<gfx::GLSurface> surface) = 0;
+  virtual bool InitializeHwDraw(
+      scoped_refptr<gfx::GLSurface> surface,
+      scoped_refptr<gpu::InProcessCommandBuffer::Service> service) = 0;
 
   // Reverse of InitializeHwDraw above. Can only be called while hardware draw
   // is already initialized. Brings compositor back to software only mode and