Trigger Copyless Paste metadata parsing

chrome/android/java/src/org/chromium/chrome/browser/AppIndexingUtil.java

Index: chrome/android/java/src/org/chromium/chrome/browser/AppIndexingUtil.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/AppIndexingUtil.java b/chrome/android/java/src/org/chromium/chrome/browser/AppIndexingUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..4e4aca058b446417c865412c358189ba45edb456
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/AppIndexingUtil.java
@@ -0,0 +1,49 @@
+// Copyright 2017 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;
+
+import android.webkit.URLUtil;
+
+import org.chromium.base.SysUtils;
+import org.chromium.blink.mojom.document_metadata.CopylessPaste;
+import org.chromium.blink.mojom.document_metadata.WebPage;
+import org.chromium.chrome.browser.historyreport.AppIndexingReporter;
+import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.content_public.browser.RenderFrameHost;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.services.service_manager.InterfaceProvider;
+
+/**
+ * This is the top-level CopylessPaste metadata extraction for AppIndexing.
+ */
+public class AppIndexingUtil {
+    public static void extractCopylessPasteMetadata(final Tab tab) {
+        String url = tab.getUrl();
+        boolean isHttpOrHttps = URLUtil.isHttpsUrl(url) || URLUtil.isHttpUrl(url);
+        if (SysUtils.isLowEndDevice() || tab.isIncognito()
+                || !ChromeFeatureList.isEnabled(ChromeFeatureList.COPYLESS_PASTE)
+                || !isHttpOrHttps) {
+            return;
+        }
+
+        WebContents webContents = tab.getWebContents();
+        if (webContents == null) return;
+
+        RenderFrameHost mainFrame = webContents.getMainFrame();
+        if (mainFrame == null) return;
+
+        InterfaceProvider interfaces = mainFrame.getRemoteInterfaces();
+        if (interfaces == null) return;
+
+        CopylessPaste copylesspaste = interfaces.getInterface(CopylessPaste.MANAGER);
+        copylesspaste.getEntities(new CopylessPaste.GetEntitiesResponse() {
+            @Override
+            public void call(WebPage webpage) {
+                if (webpage == null) return;
+                AppIndexingReporter.getInstance().reportWebPage(webpage);
+            }
+        });
+    }
+}