Index: chrome/browser/page_load_metrics/page_load_metrics_observer.h |
diff --git a/chrome/browser/page_load_metrics/page_load_metrics_observer.h b/chrome/browser/page_load_metrics/page_load_metrics_observer.h |
index 0f742d0ba12766f90aa839989a1d99848af50e9a..1fc5f71b1df296b9c21ad74d0d481da7e6387c1c 100644 |
--- a/chrome/browser/page_load_metrics/page_load_metrics_observer.h |
+++ b/chrome/browser/page_load_metrics/page_load_metrics_observer.h |
@@ -5,6 +5,8 @@ |
#ifndef CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_METRICS_OBSERVER_H_ |
#define CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_METRICS_OBSERVER_H_ |
+#include <string> |
+ |
#include "base/macros.h" |
#include "base/optional.h" |
#include "chrome/common/page_load_metrics/page_load_timing.h" |
@@ -241,6 +243,13 @@ class PageLoadMetricsObserver { |
// fire when the page first loads; for that, listen for OnStart instead. |
virtual ObservePolicy OnShown(); |
+ // Called before OnCommit. The observer should return whether it wishes to |
+ // observe navigations whose main resource has MIME type |mine_type|. The |
+ // default is to observe HTML and XHTML only. Note that PageLoadTrackers only |
+ // track XHTML, HTML, and MHTML (related/multipart). |
+ virtual ObservePolicy ShouldObserveMimeType( |
+ const std::string& mime_type) const; |
+ |
// The callbacks below are only invoked after a navigation commits, for |
// tracked page loads. Page loads that don't meet the criteria for being |
// tracked at the time a navigation commits will not receive any of the |