[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 30725afec8da21619934e4b486f009e6f46aea3f..84c937c98687dc17b96d8abeab1df5df560bfe49 100644
--- a/chrome/browser/page_load_metrics/metrics_web_contents_observer.h
+++ b/chrome/browser/page_load_metrics/metrics_web_contents_observer.h
@@ -13,13 +13,16 @@
 #include "base/observer_list.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 {
@@ -42,7 +45,8 @@ class PageLoadTracker;
 class MetricsWebContentsObserver
     : public content::WebContentsObserver,
       public content::WebContentsUserData<MetricsWebContentsObserver>,
-      public content::RenderWidgetHost::InputEventObserver {
+      public content::RenderWidgetHost::InputEventObserver,
+      public mojom::PageLoadMetrics {
  public:
   // TestingObserver allows tests to observe MetricsWebContentsObserver state
   // changes. Tests may use TestingObserver to wait until certain state changes,
@@ -140,8 +144,20 @@ class MetricsWebContentsObserver
                        const PageLoadTiming& timing,
                        const PageLoadMetadata& metadata);
 
+  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,
@@ -210,6 +226,8 @@ class MetricsWebContentsObserver
   bool has_navigated_;
 
   base::ObserverList<TestingObserver> testing_observers_;
+  content::WebContentsFrameBindingSet<mojom::PageLoadMetrics>
+      page_load_metrics_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserver);
 };