Remove more //chrome dependencies from VariationsService

components/variations/service/variations_service_client.h

Index: components/variations/service/variations_service_client.h
diff --git a/components/variations/service/variations_service_client.h b/components/variations/service/variations_service_client.h
index 8aa6371814960b1215f0ba6cea350123af92061c..e2838768dbc2214d6036175a5831148cbee3d6eb 100644
--- a/components/variations/service/variations_service_client.h
+++ b/components/variations/service/variations_service_client.h
@@ -51,6 +51,10 @@ class VariationsServiceClient {
   // Gets the channel of the embedder.
   virtual version_info::Channel GetChannel() = 0;
 
+  // Returns the resource index corresponding to the given hash, or -1 if there
+  // is no corresponding resource.
+  virtual int GetIndexForResource(uint32_t hash) = 0;
+
   // Called from VariationsService::PerformPreMainMessageLoopStartup().
   virtual void OnInitialStartup() {}
 };