[Hera] Excise a bunch of document mode code

chrome/android/java/src/org/chromium/chrome/browser/document/DocumentUma.java

Index: chrome/android/java/src/org/chromium/chrome/browser/document/DocumentUma.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/document/DocumentUma.java b/chrome/android/java/src/org/chromium/chrome/browser/document/DocumentUma.java
deleted file mode 100644
index 666e504af47a6f222199ef6e18ceb2c84837fecf..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/document/DocumentUma.java
+++ /dev/null
@@ -1,98 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.document;
-
-import android.content.Intent;
-
-import org.chromium.base.metrics.RecordHistogram;
-import org.chromium.chrome.browser.IntentHandler;
-import org.chromium.chrome.browser.ShortcutHelper;
-import org.chromium.chrome.browser.util.IntentUtils;
-
-/**
- * Records UMA relevant to Document mode.
- */
-public class DocumentUma {
-    /**
-     * Records what caused a DocumentActivity to be resumed.
-     */
-    static void recordStartedBy(int source) {
-        RecordHistogram.recordSparseSlowlyHistogram("DocumentActivity.StartedBy", source);
-    }
-
-    public static void recordInDocumentMode(boolean isInDocumentMode) {
-        RecordHistogram.recordEnumeratedHistogram(
-                "DocumentActivity.RunningMode", isInDocumentMode ? 0 : 1, 2);
-    }
-
-    /**
-     * Records UMA about the Intent fired to create a DocumentActivity.
-     * @param packageName Name of the the application package.
-     * @param intent Intent used to launch the Activity.
-     */
-    static void recordStartedBy(String packageName, Intent intent) {
-        if (intent == null) {
-            recordStartedBy(DocumentMetricIds.STARTED_BY_UNKNOWN);
-            return;
-        }
-
-        int intentSource = DocumentMetricIds.STARTED_BY_UNKNOWN;
-        IntentHandler.ExternalAppId appId =
-                IntentHandler.determineExternalIntentSource(packageName, intent);
-
-        if (intent.hasExtra(IntentHandler.EXTRA_STARTED_BY)) {
-            intentSource = IntentUtils.safeGetIntExtra(intent,
-                    IntentHandler.EXTRA_STARTED_BY, DocumentMetricIds.STARTED_BY_UNKNOWN);
-        } else if (IntentUtils.safeGetBooleanExtra(intent,
-                ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, false)) {
-            // TODO(dfalcantara): Add a new a boolean instead of piggybacking on this Intent extra.
-            intentSource = DocumentMetricIds.STARTED_BY_LAUNCHER;
-        } else if (IntentUtils.safeGetBooleanExtra(
-                intent, IntentHandler.EXTRA_APPEND_TASK, false)) {
-            intentSource = DocumentMetricIds.STARTED_BY_SEARCH_RESULT_PAGE;
-        } else if (IntentUtils.safeGetBooleanExtra(
-                intent, IntentHandler.EXTRA_PRESERVE_TASK, false)) {
-            // TODO(dfalcantara): Figure out how split apart Intents fired by the search box.
-            intentSource = DocumentMetricIds.STARTED_BY_SEARCH_SUGGESTION_EXTERNAL;
-        } else if (appId == IntentHandler.ExternalAppId.GMAIL) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_GMAIL;
-        } else if (appId == IntentHandler.ExternalAppId.FACEBOOK) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_FACEBOOK;
-        } else if (appId == IntentHandler.ExternalAppId.PLUS) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_PLUS;
-        } else if (appId == IntentHandler.ExternalAppId.TWITTER) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_TWITTER;
-        } else if (appId == IntentHandler.ExternalAppId.CHROME) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_CHROME;
-        } else if (appId == IntentHandler.ExternalAppId.HANGOUTS) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_HANGOUTS;
-        } else if (appId == IntentHandler.ExternalAppId.MESSENGER) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_MESSENGER;
-        } else if (appId == IntentHandler.ExternalAppId.NEWS) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_NEWS;
-        } else if (appId == IntentHandler.ExternalAppId.LINE) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_LINE;
-        } else if (appId == IntentHandler.ExternalAppId.WHATSAPP) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_WHATSAPP;
-        } else if (appId == IntentHandler.ExternalAppId.GSA) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_GSA;
-        } else if (appId == IntentHandler.ExternalAppId.OTHER) {
-            intentSource = DocumentMetricIds.STARTED_BY_EXTERNAL_APP_OTHER;
-        }
-
-        if (intentSource == DocumentMetricIds.STARTED_BY_UNKNOWN) {
-            android.util.Log.d("DocumentUma", "Unknown source detected");
-        }
-
-        if (intentSource >= DocumentMetricIds.STARTED_BY_EXTERNAL_APP_GMAIL
-                && intentSource < DocumentMetricIds.STARTED_BY_CONTEXTUAL_SEARCH) {
-            // Document activity was started from an external app, record which one.
-            RecordHistogram.recordEnumeratedHistogram("MobileIntent.PageLoadDueToExternalApp",
-                    appId.ordinal(), IntentHandler.ExternalAppId.INDEX_BOUNDARY.ordinal());
-        }
-
-        recordStartedBy(intentSource);
-    }
-}