PlzNavigate: identify same-page browser-initiated navigation.

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 8921fa80b0c1b7816c7cc8fd4d2e40ac31342c87..62ec8a0f1e7eba1f360f1fe37859f76b390b490a 100644
--- a/content/common/navigation_params.cc
+++ b/content/common/navigation_params.cc
@@ -21,8 +21,6 @@ bool ShouldMakeNetworkRequestForURL(const GURL& url) {
 
   // Javascript URLs, about:blank, srcdoc should not send a request
   // to the network stack.
-  // TODO(clamy): same document navigations should not send requests to the
-  // network stack. Neither should pushState/popState.
   return url != url::kAboutBlankURL && !url.SchemeIs(url::kJavaScriptScheme) &&
          !url.is_empty() && !url.SchemeIs(url::kContentIDScheme) &&
          url != content::kAboutSrcDocURL;
@@ -30,7 +28,7 @@ bool ShouldMakeNetworkRequestForURL(const GURL& url) {
 
 CommonNavigationParams::CommonNavigationParams()
     : transition(ui::PAGE_TRANSITION_LINK),
-      navigation_type(FrameMsg_Navigate_Type::NORMAL),
+      navigation_type(FrameMsg_Navigate_Type::UNSPECIFIED),
       allow_download(true),
       should_replace_current_entry(false),
       report_type(FrameMsg_UILoadMetricsReportType::NO_REPORT),
@@ -133,7 +131,6 @@ RequestNavigationParams::RequestNavigationParams()
     : is_overriding_user_agent(false),
       can_load_local_resources(false),
       nav_entry_id(0),
-      is_same_document_history_load(false),
       is_history_navigation_in_new_child(false),
       has_committed_real_load(false),
       intended_as_new_entry(false),
@@ -154,7 +151,6 @@ RequestNavigationParams::RequestNavigationParams(
     bool can_load_local_resources,
     const PageState& page_state,
     int nav_entry_id,
-    bool is_same_document_history_load,
     bool is_history_navigation_in_new_child,
     std::map<std::string, bool> subframe_unique_names,
     bool has_committed_real_load,
@@ -170,7 +166,6 @@ RequestNavigationParams::RequestNavigationParams(
       can_load_local_resources(can_load_local_resources),
       page_state(page_state),
       nav_entry_id(nav_entry_id),
-      is_same_document_history_load(is_same_document_history_load),
       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),