Refactor to make BlimpLocationProvider accessible to content layer.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 7a61399c7d788336dfba16b3a9796183d0ef96da..e5910bf852c244037d70e4bf7a7ae8bb2ab6606d 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -621,6 +621,10 @@ class CONTENT_EXPORT ContentBrowserClient {
   // information.
   virtual LocationProvider* OverrideSystemLocationProvider();
 
+  // Indicates that LocationProviders normally used by a process should be
+  // used.
+  virtual bool UseDefaultLocationProviders();
+
   // Creates a new DevToolsManagerDelegate. The caller owns the returned value.
   // It's valid to return nullptr.
   virtual DevToolsManagerDelegate* GetDevToolsManagerDelegate();