Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/document/TabDelegateImpl.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/document/TabDelegateImpl.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/TabDelegateImpl.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/TabDelegateImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..a22b3133e614fda25efe25e139750358a731f824
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/TabDelegateImpl.java
@@ -0,0 +1,67 @@
+// 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.app.Activity;
+
+import org.chromium.chrome.browser.Tab;
+import org.chromium.chrome.browser.TabState;
+import org.chromium.chrome.browser.tab.ChromeTab;
+import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;
+import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel.Entry;
+import org.chromium.chrome.browser.tabmodel.document.TabDelegate;
+import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.ui.base.PageTransition;
+
+/**
+ * Provides Tabs to a DocumentTabModel.
+ * TODO(dfalcantara): delete or refactor this after upstreaming.
+ */
+public class TabDelegateImpl implements TabDelegate {
+    @Override
+    public Tab getActivityTab(
+            boolean incognito, ActivityDelegate activityDelegate, Activity activity) {
+        if (!(activity instanceof DocumentActivity)
+                || !activityDelegate.isValidActivity(incognito, activity.getIntent())) return null;
+        return ((DocumentActivity) activity).getActivityTab();
+    }
+
+    @Override
+    public void createTabInForeground(Activity parentActivity, boolean incognito,
+            LoadUrlParams loadUrlParams, PendingDocumentData documentParams) {
+        ChromeLauncherActivity.launchDocumentInstance(parentActivity, incognito,
+                ChromeLauncherActivity.LAUNCH_MODE_FOREGROUND, loadUrlParams.getUrl(),
+                DocumentMetricIds.STARTED_BY_WINDOW_OPEN,
+                loadUrlParams.getTransitionType(), false, documentParams);
+    }
+
+    @Override
+    public Tab createFrozenTab(Entry entry) {
+        TabState state = entry.getTabState();
+        assert state != null;
+        return ChromeTab.createFrozenTabFromState(entry.tabId, null, state.isIncognito(), null,
+                Tab.INVALID_TAB_ID, state);
+    }
+
+    @Override
+    public void createTabWithWebContents(
+            boolean isIncognito, WebContents webContents, int parentTabId) {
+        PendingDocumentData data = new PendingDocumentData();
+        data.webContents = webContents;
+        ChromeLauncherActivity.launchDocumentInstance(
+                null, isIncognito, ChromeLauncherActivity.LAUNCH_MODE_FOREGROUND, null,
+                DocumentMetricIds.STARTED_BY_CHROME_HOME_RECENT_TABS,
+                PageTransition.RELOAD, false, data);
+    }
+
+    @Override
+    public void createTabForDevTools(String url) {
+        ChromeLauncherActivity.launchDocumentInstance(
+                null, false, ChromeLauncherActivity.LAUNCH_MODE_FOREGROUND, url,
+                DocumentMetricIds.STARTED_BY_CHROME_HOME_RECENT_TABS,
+                PageTransition.RELOAD, false, null);
+    }
+}