Add metrics to track Google Play install WebAPK failures.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
index 1a00ca78e900b4506f2ca7de173ee519b36bf070..e981b0b474f57ebd9173543776a1352682d5176a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
@@ -20,6 +20,7 @@ import org.chromium.base.annotations.CalledByNative;
 import org.chromium.chrome.browser.AppHooks;
 import org.chromium.chrome.browser.ShortcutHelper;
 import org.chromium.chrome.browser.banners.InstallerDelegate;
+import org.chromium.chrome.browser.metrics.WebApkUma;
 import org.chromium.chrome.browser.util.IntentUtils;
 
 import java.io.File;
@@ -109,6 +110,8 @@ public class WebApkInstaller {
             String packageName, int version, String title, String token, String url) {
         if (mGooglePlayWebApkInstallDelegate == null) {
             notify(WebApkInstallResult.FAILURE);
+            WebApkUma.recordGooglePlayIntallResult(
+                    WebApkUma.GOOGLE_PLAY_INSTALL_FAILED_NO_DELEGATE);
             return;
         }
 
@@ -183,7 +186,7 @@ public class WebApkInstaller {
                 WebApkInstaller.this.notify(result);
             }
         };
-        mGooglePlayWebApkInstallDelegate.installAsync(
+        mGooglePlayWebApkInstallDelegate.updateAsync(
                 packageName, version, title, token, url, callback);
     }