Plumbing devtools agent host id and request id between processes

content/common/navigation_params.cc

Index: content/common/navigation_params.cc
diff --git a/content/common/navigation_params.cc b/content/common/navigation_params.cc
index e2148964f89b3e177019e997c16d72147d7d2a82..444ebef9326be09e5fe61ba557f5efa3f67e75df 100644
--- a/content/common/navigation_params.cc
+++ b/content/common/navigation_params.cc
@@ -156,6 +156,7 @@ RequestNavigationParams::RequestNavigationParams()
     : is_overriding_user_agent(false),
       can_load_local_resources(false),
       nav_entry_id(0),
+      devtools_request_id(0),
       is_history_navigation_in_new_child(false),
       has_committed_real_load(false),
       intended_as_new_entry(false),
@@ -167,8 +168,7 @@ RequestNavigationParams::RequestNavigationParams()
       should_create_service_worker(false),
       service_worker_provider_id(kInvalidServiceWorkerProviderId),
       appcache_host_id(kAppCacheNoHostId),
-      has_user_gesture(false) {
-}
+      has_user_gesture(false) {}
 
 RequestNavigationParams::RequestNavigationParams(
     bool is_overriding_user_agent,
@@ -195,6 +195,7 @@ RequestNavigationParams::RequestNavigationParams(
       can_load_local_resources(can_load_local_resources),
       page_state(page_state),
       nav_entry_id(nav_entry_id),
+      devtools_request_id(-nav_entry_id),
       is_history_navigation_in_new_child(is_history_navigation_in_new_child),
       subframe_unique_names(subframe_unique_names),
       has_committed_real_load(has_committed_real_load),