Trigger Copyless Paste metadata parsing

BUG=693650

Review-Url: https://codereview.chromium.org/2802863003
Cr-Commit-Position: refs/heads/master@{#463380}

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

+// 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);
+            }
+        });
+    }
+}

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

@@ -132,6 +132,7 @@ public abstract class ChromeFeatureList {
     public static final String CONTENT_SUGGESTIONS_SETTINGS = "ContentSuggestionsSettings";
     public static final String CONTEXTUAL_SEARCH_SINGLE_ACTIONS = "ContextualSearchSingleActions";
     public static final String CONTEXTUAL_SEARCH_URL_ACTIONS = "ContextualSearchUrlActions";
+    public static final String COPYLESS_PASTE = "CopylessPaste";
     public static final String CUSTOM_CONTEXT_MENU = "CustomContextMenu";
     public static final String CUSTOM_FEEDBACK_UI = "CustomFeedbackUi";
     // Enables the Data Reduction Proxy menu item in the main menu rather than under Settings on

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

@@ -1247,6 +1247,11 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
                 }
             }
 
+            @Override
+            public void onPageLoadFinished(final Tab tab) {
+                AppIndexingUtil.extractCopylessPasteMetadata(tab);
+            }
+
             @Override
             public void onDidFinishNavigation(Tab tab, String url, boolean isInMainFrame,
                     boolean isErrorPage, boolean hasCommitted, boolean isSameDocument,

chrome/android/java_sources.gni

@@ -7,6 +7,7 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/ActivityTabTaskDescriptionHelper.java",
   "java/src/org/chromium/chrome/browser/ActivityTaskDescriptionIconGenerator.java",
   "java/src/org/chromium/chrome/browser/AfterStartupTaskUtils.java",
+  "java/src/org/chromium/chrome/browser/AppIndexingUtil.java",
   "java/src/org/chromium/chrome/browser/ApplicationInitialization.java",
   "java/src/org/chromium/chrome/browser/ApplicationLifetime.java",
   "java/src/org/chromium/chrome/browser/AssistStatusHandler.java",

chrome/browser/chrome_content_renderer_manifest_overlay.json

@@ -14,6 +14,7 @@
           "autofill::mojom::AutofillAgent",
           "autofill::mojom::PasswordAutofillAgent",
           "autofill::mojom::PasswordGenerationAgent",
+          "blink::mojom::document_metadata::CopylessPaste",
           "chrome::mojom::ImageContextMenuRenderer",
           "chrome::mojom::InsecureContentRenderer",
           "chrome::mojom::ThumbnailCapturer",