Add rendering support to the TestShell.

chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java

Index: chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java
diff --git a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java
index 182de9b539bd63d9cd0dfee1d72ae04fb9a0e80a..55f43be0c0c571c4d6aa734370f709b2bb7b5907 100644
--- a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java
+++ b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/ChromiumTestShellActivity.java
@@ -5,12 +5,18 @@
 package org.chromium.chrome.testshell;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.util.Log;
+import android.view.KeyEvent;
 
+import org.chromium.chrome.browser.TabBase;
+import org.chromium.content.app.AppResource;
 import org.chromium.content.app.LibraryLoader;
 import org.chromium.content.browser.ContentView;
 import org.chromium.content.common.CommandLine;
+import org.chromium.ui.gfx.ActivityNativeWindow;
 
 /**
  * The {@link Activity} component of a basic test shell to test Chrome features.
@@ -20,6 +26,9 @@ public class ChromiumTestShellActivity extends Activity {
     private static final String COMMAND_LINE_FILE =
             "/data/local/tmp/chrome-test-shell-command-line";
 
+    private ActivityNativeWindow mWindow;
+    private TabManager mTabManager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -27,10 +36,73 @@ public class ChromiumTestShellActivity extends Activity {
         if (!CommandLine.isInitialized()) CommandLine.initFromFile(COMMAND_LINE_FILE);
         waitForDebuggerIfNeeded();
 
-        LibraryLoader.loadAndInitSync();
         initializeContentViewResources();
-
         ContentView.initChromiumBrowserProcess(this, ContentView.MAX_RENDERERS_AUTOMATIC);
+
+        setContentView(R.layout.testshell_activity);
+        mTabManager = (TabManager) findViewById(R.id.tab_manager);
+
+        mWindow = new ActivityNativeWindow(this);
+        mWindow.restoreInstanceState(savedInstanceState);
+        mTabManager.setWindow(mWindow);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        // TODO(dtrainor): Save/restore the tab state.
+        mWindow.saveInstanceState(outState);
+    }
+
+    @Override
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_BACK) {
+            TabBase tab = getActiveTab();
+            if (tab != null && tab.getContentView().canGoBack()) {
+                tab.getContentView().goBack();
+                return true;
+            }
+        }
+
+        return super.onKeyUp(keyCode, event);
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        String url = getUrlFromIntent(intent);
+        if (!TextUtils.isEmpty(url)) {
+            TabBase tab = getActiveTab();
+            if (tab != null) tab.loadUrlWithSanitization(url);
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        ContentView view = getActiveContentView();
+        if (view != null) view.onActivityPause();
+
+        super.onPause();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        ContentView view = getActiveContentView();
+        if (view != null) view.onActivityResume();
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        mWindow.onActivityResult(requestCode, resultCode, data);
+    }
+
+    private TabBase getActiveTab() {
+        return mTabManager != null ? mTabManager.getCurrentTab() : null;
+    }
+
+    private ContentView getActiveContentView() {
+        TabBase tab = getActiveTab();
+        return tab != null ? tab.getContentView() : null;
     }
 
     private void waitForDebuggerIfNeeded() {
@@ -42,5 +114,12 @@ public class ChromiumTestShellActivity extends Activity {
     }
 
     private void initializeContentViewResources() {
+        AppResource.DIMENSION_LINK_PREVIEW_OVERLAY_RADIUS = R.dimen.link_preview_overlay_radius;
+        AppResource.DRAWABLE_LINK_PREVIEW_POPUP_OVERLAY = R.drawable.popup_zoomer_overlay;
+        AppResource.STRING_CONTENT_VIEW_CONTENT_DESCRIPTION = R.string.accessibility_content_view;
+    }
+
+    private static String getUrlFromIntent(Intent intent) {
+        return intent != null ? intent.getDataString() : null;
     }
 }