WebView Metrics client implementation (Chromium part)

android_webview/browser/aw_browser_main_parts.cc

Index: android_webview/browser/aw_browser_main_parts.cc
diff --git a/android_webview/browser/aw_browser_main_parts.cc b/android_webview/browser/aw_browser_main_parts.cc
index d0fe336c15ed164d5b7f7a7e3ae40979124e90ee..04d9c68f2f0a5f7c9a40842cdc8a497c0eca0bd8 100644
--- a/android_webview/browser/aw_browser_main_parts.cc
+++ b/android_webview/browser/aw_browser_main_parts.cc
@@ -90,6 +90,10 @@ void AwBrowserMainParts::PreMainMessageLoopRun() {
   content::RenderFrameHost::AllowInjectingJavaScriptForAndroidWebView();
 }
 
+void AwBrowserMainParts::PostMainMessageLoopRun() {
+  browser_context_->PostMainMessageLoopRun();
+}
+
 bool AwBrowserMainParts::MainMessageLoopRun(int* result_code) {
   // Android WebView does not use default MessageLoop. It has its own
   // Android specific MessageLoop.