Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedTab.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedTab.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedTab.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedTab.java
new file mode 100644
index 0000000000000000000000000000000000000000..50fb9bcc276e650cb6fca7dc4c1842d201f38d0c
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedTab.java
@@ -0,0 +1,93 @@
+// 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.hosted;
+
+import android.content.Context;
+import android.text.TextUtils;
+import android.view.ContextMenu;
+import android.view.Menu;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.chrome.browser.CompositorChromeActivity;
+import org.chromium.chrome.browser.ContentViewUtil;
+import org.chromium.chrome.browser.Tab;
+import org.chromium.chrome.browser.UrlUtilities;
+import org.chromium.chrome.browser.contextmenu.ChromeContextMenuPopulator;
+import org.chromium.chrome.browser.contextmenu.ContextMenuParams;
+import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator;
+import org.chromium.chrome.browser.tab.ChromeTab;
+import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.ui.base.WindowAndroid;
+
+/**
+ * A chrome tab that is only used in hosted mode.
+ */
+public class HostedTab extends ChromeTab {
+
+    private TabChromeContextMenuItemDelegate
+            mContextMenuDelegate = new TabChromeContextMenuItemDelegate() {
+                @Override
+                public boolean startDownload(String url, boolean isLink) {
+                    // Behave similarly to ChromeTabChromeContextMenuItemDelegate in ChromeTab.
+                    return !isLink || !shouldInterceptContextMenuDownload(url);
+                }
+            };
+
+    /**
+     * Construct an HostedTab. It might load a prerendered {@link WebContents} for the URL, if
+     * the hosted mode service has successfully warmed up for the url.
+     */
+    public HostedTab(CompositorChromeActivity activity, WindowAndroid windowAndroid,
+            long sessionId, String url, int parentTabId) {
+        super(Tab.generateValidId(Tab.INVALID_TAB_ID), activity, false, windowAndroid,
+                TabLaunchType.FROM_EXTERNAL_APP, parentTabId, null, null);
+        WebContents webContents = ChromeBrowserConnection.getInstance(activity.getApplication())
+                                          .takePrerenderedUrl(sessionId, url, null);
+        if (webContents == null) {
+            webContents = ContentViewUtil.createWebContents(isIncognito(), false);
+        }
+        initialize(webContents, activity.getTabContentManager(), false);
+        getView().requestFocus();
+    }
+
+    @Override
+    protected ContextMenuPopulator createContextMenuPopulator() {
+        return new ChromeContextMenuPopulator(mContextMenuDelegate) {
+            @Override
+            public void buildContextMenu(ContextMenu menu, Context context,
+                    ContextMenuParams params) {
+                String linkUrl = params.getLinkUrl();
+                if (linkUrl != null) linkUrl = linkUrl.trim();
+                if (!TextUtils.isEmpty(linkUrl)) {
+                    menu.add(Menu.NONE, org.chromium.chrome.R.id.contextmenu_copy_link_address_text,
+                            Menu.NONE, org.chromium.chrome.R.string.contextmenu_copy_link_address);
+                }
+
+                String linkText = params.getLinkText();
+                if (linkText != null) linkText = linkText.trim();
+                if (!TextUtils.isEmpty(linkText)) {
+                    menu.add(Menu.NONE, org.chromium.chrome.R.id.contextmenu_copy_link_text,
+                            Menu.NONE, org.chromium.chrome.R.string.contextmenu_copy_link_text);
+                }
+                if (params.isImage()) {
+                    menu.add(Menu.NONE, R.id.contextmenu_save_image, Menu.NONE,
+                            R.string.contextmenu_save_image);
+                    menu.add(Menu.NONE, R.id.contextmenu_open_image, Menu.NONE,
+                            R.string.contextmenu_open_image);
+                    menu.add(Menu.NONE, R.id.contextmenu_copy_image, Menu.NONE,
+                            R.string.contextmenu_copy_image);
+                    menu.add(Menu.NONE, R.id.contextmenu_copy_image_url, Menu.NONE,
+                            R.string.contextmenu_copy_image_url);
+                } else if (UrlUtilities.isDownloadableScheme(params.getLinkUrl())) {
+                    // "Save link" is not shown for image.
+                    menu.add(Menu.NONE, R.id.contextmenu_save_link_as, Menu.NONE,
+                            R.string.contextmenu_save_link);
+                }
+            }
+        };
+    }
+}