Create skeleton for the Prefetching store and initial pipeline step.

components/offline_pages/core/prefetch/prefetch_service_impl.h

Index: components/offline_pages/core/prefetch/prefetch_service_impl.h
diff --git a/components/offline_pages/core/prefetch/prefetch_service_impl.h b/components/offline_pages/core/prefetch/prefetch_service_impl.h
index c476f13e90e0bbdf2a47530f71e58bcd3c6c14bb..6f957aafa2db5501ca2818b64f791de412ca66cd 100644
--- a/components/offline_pages/core/prefetch/prefetch_service_impl.h
+++ b/components/offline_pages/core/prefetch/prefetch_service_impl.h
@@ -14,16 +14,19 @@ namespace offline_pages {
 
 class PrefetchServiceImpl : public PrefetchService {
  public:
-  PrefetchServiceImpl();
+  PrefetchServiceImpl(std::unique_ptr<PrefetchStore> store,
+                      std::unique_ptr<PrefetchDispatcher> dispatcher);
   ~PrefetchServiceImpl() override;
 
   // PrefetchService implementation:
   PrefetchDispatcher* GetDispatcher() override;
+  PrefetchStore* GetStore() override;
 
   // KeyedService implementation:
   void Shutdown() override;
 
  private:
+  std::unique_ptr<PrefetchStore> store_;

[Dmitry Titov, 2017/05/26 23:05:06]

prefetch_store_

[carlosk, 2017/06/01 01:49:59]

Done, and below too.

   std::unique_ptr<PrefetchDispatcher> dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefetchServiceImpl);