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 56b709c056f6d638e4121c36d4f391c1cff9d77c..3939bc08be9fa9ebcb68c07235f4117d624a6efc 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -616,6 +616,10 @@ 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();