Expose Resume() in RenderProcessHost.

content/public/browser/render_process_host.h

Index: content/public/browser/render_process_host.h
diff --git a/content/public/browser/render_process_host.h b/content/public/browser/render_process_host.h
index b2b7df69039177c494fc9f48df07cbd05bc2cf46..aa7a553c46538962ec04dc01942a61c78e2f6b07 100644
--- a/content/public/browser/render_process_host.h
+++ b/content/public/browser/render_process_host.h
@@ -326,6 +326,9 @@ class CONTENT_EXPORT RenderProcessHost : public IPC::Sender,
   // Purges and suspends the renderer process.
   virtual void PurgeAndSuspend() = 0;
 
+  // Resumes the renderer process.
+  virtual void Resume() = 0;
+
   // Acquires the |mojom::Renderer| interface to the render process. This is for
   // internal use only, and is only exposed here to support
   // MockRenderProcessHost usage in tests.