Add app indexing reporter public class.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
index 6ea48095ad3cec016f3533bb3fdc9f9ae29726c9..d4addccd93ecf67f342aa7511f90a83d09c82cc5 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
@@ -70,6 +70,7 @@ import org.chromium.chrome.browser.firstrun.FirstRunSignInProcessor;
 import org.chromium.chrome.browser.firstrun.FirstRunStatus;
 import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
 import org.chromium.chrome.browser.fullscreen.ComposedBrowserControlsVisibilityDelegate;
+import org.chromium.chrome.browser.historyreport.AppIndexingReporter;
 import org.chromium.chrome.browser.incognito.IncognitoNotificationManager;
 import org.chromium.chrome.browser.infobar.DataReductionPromoInfoBar;
 import org.chromium.chrome.browser.locale.LocaleManager;
@@ -115,6 +116,7 @@ import org.chromium.content.browser.ContentVideoView;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.crypto.CipherFactory;
 import org.chromium.content.common.ContentSwitches;
+import org.chromium.content_public.browser.JavaScriptCallback;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.common.Referrer;
 import org.chromium.ui.base.DeviceFormFactor;
@@ -122,6 +124,9 @@ import org.chromium.ui.base.PageTransition;
 import org.chromium.ui.base.WindowAndroid;
 import org.chromium.ui.widget.Toast;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.ref.WeakReference;
@@ -194,6 +199,8 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
     /** The task id of the activity that tabs were merged into. */
     private static int sMergedInstanceTaskId;
 
+    private static String sParseStructuredDataScript;
+
     private final ActivityStopMetrics mActivityStopMetrics = new ActivityStopMetrics();
 
     private FindToolbarManager mFindToolbarManager;
@@ -1033,6 +1040,51 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
             }
 
             @Override
+            public void onPageLoadFinished(final Tab tab) {
+                if (tab.isIncognito()) {
+                    Log.v(TAG, "Not indexing incognito page.");
+                    return;
+                }
+                // Read sParseStructuredDataScript from resources if not already initialized.
+                if (sParseStructuredDataScript == null) {
+                    BufferedReader reader = null;
+                    try {
+                        reader = new BufferedReader(
+                            new InputStreamReader(getResources().openRawResource(R.raw.parse)));
+                        StringBuilder fullText = new StringBuilder();
+                        String line;
+                        while ((line = reader.readLine()) != null) {
+                            fullText.append(line);
+                        }
+                        sParseStructuredDataScript = fullText.toString();
+                    } catch (IOException e) {
+                        Log.e(TAG, "Failed to load asset." + e);
+                    } finally {
+                        if (reader != null) {
+                            try {
+                                reader.close();
+                            } catch (IOException e) {
+                                Log.e(TAG, "Failed to close asset." + e);
+                            }
+                        }
+                    }
+                }
+                tab.getWebContents().evaluateJavaScriptForTests(
+                        sParseStructuredDataScript,
+                        new JavaScriptCallback() {
+                            @Override
+                            public void handleJavaScriptResult(String jsonResult) {
+                                if ("null".equals(jsonResult)) {
+                                    return;
+                                }
+                                AppIndexingReporter.getInstance().reportEntityJsonLd(
+                                        tab.getUrl(), jsonResult);
+                            }
+                        });
+            }
+
+
+            @Override
             public void onDidNavigateMainFrame(Tab tab, String url, String baseUrl,
                     boolean isNavigationToDifferentPage, boolean isFragmentNavigation,
                     int statusCode) {