Revert of Simplify BrowserContext by removing redundant methods.

content/public/test/test_browser_context.h

Index: content/public/test/test_browser_context.h
diff --git a/content/public/test/test_browser_context.h b/content/public/test/test_browser_context.h
index 7031c3a8f280cdcb769fa59c3fba72f8d79539f0..5c420d8c38047af5e54ce5209f70d624785890e7 100644
--- a/content/public/test/test_browser_context.h
+++ b/content/public/test/test_browser_context.h
@@ -33,13 +33,13 @@
   void SetSpecialStoragePolicy(storage::SpecialStoragePolicy* policy);
   void SetPermissionManager(
       std::unique_ptr<PermissionManager> permission_manager);
-  net::URLRequestContextGetter* GetRequestContext();
 
   base::FilePath GetPath() const override;
   std::unique_ptr<ZoomLevelDelegate> CreateZoomLevelDelegate(
       const base::FilePath& partition_path) override;
   bool IsOffTheRecord() const override;
   DownloadManagerDelegate* GetDownloadManagerDelegate() override;
+  net::URLRequestContextGetter* GetRequestContext() override;
   net::URLRequestContextGetter* GetMediaRequestContext() override;
   net::URLRequestContextGetter* GetMediaRequestContextForRenderProcess(
       int renderer_child_id) override;