Revert of [Page Load Metrics] PageLoadMetrics Mojofication.

chrome/browser/page_load_metrics/metrics_web_contents_observer.cc

Index: chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
diff --git a/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc b/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
index 29ce7bc4b0fcdad737f236eba370a5b5a615014b..4f1d8d3ae07e1d5d7cf1f72e232076ab0e0b3bb3 100644
--- a/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
+++ b/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
@@ -9,7 +9,6 @@
 #include <string>
 #include <utility>
 
-#include "base/feature_list.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
@@ -17,7 +16,6 @@
 #include "chrome/browser/page_load_metrics/page_load_metrics_embedder_interface.h"
 #include "chrome/browser/page_load_metrics/page_load_metrics_util.h"
 #include "chrome/browser/page_load_metrics/page_load_tracker.h"
-#include "chrome/common/chrome_features.h"
 #include "chrome/common/page_load_metrics/page_load_metrics_messages.h"
 #include "chrome/common/page_load_metrics/page_load_timing.h"
 #include "content/public/browser/browser_thread.h"
@@ -72,8 +70,7 @@
     : content::WebContentsObserver(web_contents),
       in_foreground_(false),
       embedder_interface_(std::move(embedder_interface)),
-      has_navigated_(false),
-      page_load_metrics_binding_(web_contents, this) {
+      has_navigated_(false) {
   RegisterInputEventObserver(web_contents->GetRenderViewHost());
 }
 
@@ -140,7 +137,7 @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(MetricsWebContentsObserver, message,
                                    render_frame_host)
-    IPC_MESSAGE_HANDLER(PageLoadMetricsMsg_TimingUpdated, OnUpdateTimingOverIPC)
+    IPC_MESSAGE_HANDLER(PageLoadMetricsMsg_TimingUpdated, OnTimingUpdated)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -620,29 +617,6 @@
     observer.OnTimingUpdated(is_main_frame, timing, metadata);
 }
 
-void MetricsWebContentsObserver::OnUpdateTimingOverIPC(
-    content::RenderFrameHost* render_frame_host,
-    const mojom::PageLoadTiming& timing,
-    const mojom::PageLoadMetadata& metadata) {
-  DCHECK(!base::FeatureList::IsEnabled(features::kPageLoadMetricsMojofication));
-  OnTimingUpdated(render_frame_host, timing, metadata);
-
-  for (auto& observer : testing_observers_)
-    observer.DidReceiveTimingUpdate(TestingObserver::IPCType::LEGACY);
-}
-
-void MetricsWebContentsObserver::UpdateTiming(
-    const mojom::PageLoadTimingPtr timing,
-    const mojom::PageLoadMetadataPtr metadata) {
-  content::RenderFrameHost* render_frame_host =
-      page_load_metrics_binding_.GetCurrentTargetFrame();
-  DCHECK(base::FeatureList::IsEnabled(features::kPageLoadMetricsMojofication));
-  OnTimingUpdated(render_frame_host, *timing, *metadata);
-
-  for (auto& observer : testing_observers_)
-    observer.DidReceiveTimingUpdate(TestingObserver::IPCType::MOJO);
-}
-
 bool MetricsWebContentsObserver::ShouldTrackNavigation(
     content::NavigationHandle* navigation_handle) const {
   DCHECK(navigation_handle->IsInMainFrame());