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 7aed5913a483149b0462bd4dd4dfa8a1c3e03fa4..3c91549773b80299e7389c2eb865eb15a330131b 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -618,11 +618,16 @@ class CONTENT_EXPORT ContentBrowserClient {
 
   // Allows an embedder to return its own LocationProvider implementation.
   // Return nullptr to use the default one for the platform to be created.
+  // Caller takes ownership of the returned LocationProvider.
   // FYI: Used by an external project; please don't remove.
   // Contact Viatcheslav Ostapenko at sl.ostapenko@samsung.com for more
   // information.
   virtual LocationProvider* OverrideSystemLocationProvider();
 
+  // Returns true if the location API should use network-based
+  // location approximation in addition to the system provider, if any.
+  virtual bool UseNetworkLocationProviders();
+
   // Creates a new DevToolsManagerDelegate. The caller owns the returned value.
   // It's valid to return nullptr.
   virtual DevToolsManagerDelegate* GetDevToolsManagerDelegate();