- Added a new time marker for loadtimes: first_paint_after_load_time. Created new histograms

to expose it. Also made some new histograms that use a derived time: begin_time. This is
the request_time if the page was requested by a user action, start time otherwise.

Review URL: http://codereview.chromium.org/150010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19532 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 20 insertions, 1 deletions

diff --git a/chrome/renderer/navigation_state.h b/chrome/renderer/navigation_state.h
index 46c17f3..0428f2a 100644
--- a/chrome/renderer/navigation_state.h
+++ b/chrome/renderer/navigation_state.h
@@ -86,7 +86,7 @@ class NavigationState : public WebKit::WebDataSource::ExtraData {
     finish_load_time_ = value;
   }
 
-  // The time that layout first ran after a new navigation.
+  // The time that painting first happened after a new navigation.
   const base::Time& first_paint_time() const {
     return first_paint_time_;
   }
@@ -94,6 +94,22 @@ class NavigationState : public WebKit::WebDataSource::ExtraData {
     first_paint_time_ = value;
   }
 
+  // The time that painting first happened after the document finished loading.
+  const base::Time& first_paint_after_load_time() const {
+    return first_paint_after_load_time_;
+  }
+  void set_first_paint_after_load_time(const base::Time& value) {
+    first_paint_after_load_time_ = value;
+  }
+
+  // True iff the histograms for the associated frame have been dumped.
+  bool load_histograms_recorded() const {
+    return load_histograms_recorded_;
+  }
+  void set_load_histograms_recorded(bool value) {
+    load_histograms_recorded_ = value;
+  }
+
   // True if we have already processed the "DidCommitLoad" event for this
   // request.  Used by session history.
   bool request_committed() const { return request_committed_; }
@@ -123,6 +139,7 @@ class NavigationState : public WebKit::WebDataSource::ExtraData {
                   int32 pending_page_id)
       : transition_type_(transition_type),
         request_time_(request_time),
+        load_histograms_recorded_(false),
         request_committed_(false),
         is_content_initiated_(is_content_initiated),
         pending_page_id_(pending_page_id) {
@@ -135,6 +152,8 @@ class NavigationState : public WebKit::WebDataSource::ExtraData {
   base::Time finish_document_load_time_;
   base::Time finish_load_time_;
   base::Time first_paint_time_;
+  base::Time first_paint_after_load_time_;
+  bool load_histograms_recorded_;
   bool request_committed_;
   bool is_content_initiated_;
   int32 pending_page_id_;