[Page Load Metrics] PageLoadMetrics Mojofication.

chrome/browser/page_load_metrics/metrics_web_contents_observer.h

Index: chrome/browser/page_load_metrics/metrics_web_contents_observer.h
diff --git a/chrome/browser/page_load_metrics/metrics_web_contents_observer.h b/chrome/browser/page_load_metrics/metrics_web_contents_observer.h
index 9b14bef9e1d04f7f85e3784e421422fc3b0dc93e..562c6c7a9cd192e81d25d94ad78d3a15aef17670 100644
--- a/chrome/browser/page_load_metrics/metrics_web_contents_observer.h
+++ b/chrome/browser/page_load_metrics/metrics_web_contents_observer.h
@@ -12,13 +12,16 @@
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h"
+#include "chrome/common/page_load_metrics/page_load_metrics.mojom.h"
 #include "chrome/common/page_load_metrics/page_load_timing.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_binding_set.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "content/public/common/resource_type.h"
+#include "mojo/public/cpp/bindings/binding_set.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 
 namespace content {
@@ -41,7 +44,8 @@ class PageLoadTracker;
 class MetricsWebContentsObserver
     : public content::WebContentsObserver,
       public content::WebContentsUserData<MetricsWebContentsObserver>,
-      public content::RenderWidgetHost::InputEventObserver {
+      public content::RenderWidgetHost::InputEventObserver,
+      public mojom::PageLoadMetrics {
  public:
   // Note that the returned metrics is owned by the web contents.
   static MetricsWebContentsObserver* CreateForWebContents(
@@ -109,8 +113,20 @@ class MetricsWebContentsObserver
   // This getter function is required for testing.
   const PageLoadExtraInfo GetPageLoadExtraInfoForCommittedLoad();
 
+  content::WebContentsFrameBindingSet<mojom::PageLoadMetrics>&
+  page_load_metrics_binding_for_testing() {
+    return page_load_metrics_binding_;
+  }
+
  private:
   friend class content::WebContentsUserData<MetricsWebContentsObserver>;
+  friend class FakePageLoadMetrics;
+  friend class MetricsWebContentsObserverTest;
+  friend class PageLoadMetricsObserverTestHarness;
+
+  // page_load_metrics::mojom::PageLoadMetrics implementation.
+  void UpdateTiming(const PageLoadTiming& timing,
+                    const PageLoadMetadata& metadata) override;
 
   void HandleFailedNavigationForTrackedLoad(
       content::NavigationHandle* navigation_handle,
@@ -182,6 +198,9 @@ class MetricsWebContentsObserver
   // Has the MWCO observed at least one navigation?
   bool has_navigated_;
 
+  content::WebContentsFrameBindingSet<mojom::PageLoadMetrics>
+      page_load_metrics_binding_;
+
   DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserver);
 };