Expose GlobalRequestID in NavigationHandle and ResourceRequestInfo.

content/public/browser/resource_request_info.h

Index: content/public/browser/resource_request_info.h
diff --git a/content/public/browser/resource_request_info.h b/content/public/browser/resource_request_info.h
index ad3c07b44073431b0a35c7dec9e32411b74e237d..540cc2eabc0c76794b89231caf24af5eb5f82a00 100644
--- a/content/public/browser/resource_request_info.h
+++ b/content/public/browser/resource_request_info.h
@@ -7,6 +7,7 @@
 
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/global_request_id.h"
 #include "content/public/common/resource_type.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
@@ -92,6 +93,9 @@ class ResourceRequestInfo {
   // Don't use this method for new code, as RenderViews are going away.
   virtual int GetRouteID() const = 0;
 
+  // The unique identifier across processes for this request.

[clamy, 2016/11/09 16:06:54]

s/The unique identifier across processes for this request./The globally unique
identifier for this request.

[Not at Google. Contact bengr, 2016/11/09 22:30:01]

Done.

+  virtual GlobalRequestID GetGlobalRequestID() const = 0;
+
   // The pid of the originating process, if the request is sent on behalf of a
   // another process.  Otherwise it is 0.
   virtual int GetOriginPID() const = 0;