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..a0b6e27ae7336efef716667a67135815bd35a4ca 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();
 
+  // Returns true if the location API should use network-based
+  // location approximation.
+  virtual bool UseNetworkLocationProviders();
+
   // Creates a new DevToolsManagerDelegate. The caller owns the returned value.
   // It's valid to return nullptr.
   virtual DevToolsManagerDelegate* GetDevToolsManagerDelegate();