Classify navigations without page id in parallel to the existing classifier.

content/common/frame_messages.h

Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index 38cd6baf033c0668cc77a0e587fdbcd611934b14..4e6eafaf08caf986d4e174cbfd35dc4063b5687d 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -22,6 +22,7 @@
 #include "content/public/common/resource_response.h"
 #include "content/public/common/transition_element.h"
 #include "ipc/ipc_message_macros.h"
+#include "third_party/WebKit/public/web/WebHistoryCommitType.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "url/gurl.h"
 #include "url/origin.h"
@@ -37,6 +38,9 @@ IPC_ENUM_TRAITS_MIN_MAX_VALUE(AccessibilityMode,
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::JavaScriptMessageType,
                               content::JAVASCRIPT_MESSAGE_TYPE_ALERT,
                               content::JAVASCRIPT_MESSAGE_TYPE_PROMPT)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(blink::WebHistoryCommitType,
+                              blink::WebStandardCommit,
+                              blink::WebHistoryInertCommit)
 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_Navigate_Type::Value,
                           FrameMsg_Navigate_Type::NAVIGATE_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_UILoadMetricsReportType::Value,
@@ -122,6 +126,7 @@ IPC_STRUCT_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::FrameNavigateParams)
   IPC_STRUCT_TRAITS_MEMBER(page_id)
+  IPC_STRUCT_TRAITS_MEMBER(nav_entry_id)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(base_url)
   IPC_STRUCT_TRAITS_MEMBER(referrer)
@@ -140,6 +145,10 @@ IPC_STRUCT_BEGIN_WITH_PARENT(FrameHostMsg_DidCommitProvisionalLoad_Params,
                              content::FrameNavigateParams)
   IPC_STRUCT_TRAITS_PARENT(content::FrameNavigateParams)
 
+  // The type of commit. TODO(avi): Does this need to go in FrameNavigateParams,
+  // instead?
+  IPC_STRUCT_MEMBER(blink::WebHistoryCommitType, commit_type)
+
   // Information regarding the security of the connection (empty if the
   // connection was not secure).
   IPC_STRUCT_MEMBER(std::string, security_info)
@@ -235,6 +244,7 @@ IPC_STRUCT_TRAITS_END()
 IPC_STRUCT_TRAITS_BEGIN(content::HistoryNavigationParams)
   IPC_STRUCT_TRAITS_MEMBER(page_state)
   IPC_STRUCT_TRAITS_MEMBER(page_id)
+  IPC_STRUCT_TRAITS_MEMBER(nav_entry_id)
   IPC_STRUCT_TRAITS_MEMBER(pending_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_length)