Switch ChromeShellActivity to extend ActionBarActivity.

We should have changed this when we switched to AppCompat theme.

BUG=None
R=tedchoc@chromium.org

Review URL: https://codereview.chromium.org/785233007

Cr-Commit-Position: refs/heads/master@{#308411}

chrome/android/BUILD.gn

@@ -437,6 +437,8 @@ android_library("chrome_shell_test_java") {
     "//chrome/test/android:chrome_java_test_support",
     "//content/public/android:content_java",
     "//content/public/test/android:content_java_test_support",
+    "//third_party/android_tools:android_support_v13_java",
+    "//third_party/android_tools:android_support_v7_appcompat_java",
     "//ui/android:ui_java",
   ]
   DEPRECATED_java_in_dir = "shell/javatests/src"
@@ -470,6 +472,8 @@ android_apk("chrome_sync_shell_test_apk") {
     "//content/public/test/android:content_java_test_support",
     "//sync/android:sync_java",
     "//sync:sync_java_test_support",
+    "//third_party/android_tools:android_support_v13_java",
+    "//third_party/android_tools:android_support_v7_appcompat_java",
   ]
   apk_name = "ChromeSyncShellTest"
   DEPRECATED_java_in_dir = "sync_shell/javatests/src"

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java

@@ -7,6 +7,7 @@ package org.chromium.chrome.shell;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
@@ -52,7 +53,7 @@ import org.chromium.ui.base.WindowAndroid;
 /**
  * The {@link android.app.Activity} component of a basic test shell to test Chrome features.
  */
-public class ChromeShellActivity extends Activity implements AppMenuPropertiesDelegate {
+public class ChromeShellActivity extends ActionBarActivity implements AppMenuPropertiesDelegate {
     private static final String TAG = "ChromeShellActivity";
 
     /**