Let BaseChromiumApplication manage the tracing controller

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java

Index: content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
diff --git a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
index 8bb0bbcb7779506fd0f1e9a30f3e2e2876839b6e..ffbfc6dd890be4ca060a06875d2242a6e3959c3d 100644
--- a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
+++ b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
@@ -21,7 +21,6 @@ import org.chromium.content.browser.ContentVideoViewClient;
 import org.chromium.content.browser.ContentView;
 import org.chromium.content.browser.ContentViewClient;
 import org.chromium.content.browser.DeviceUtils;
-import org.chromium.content.browser.TracingControllerAndroid;
 import org.chromium.content.common.CommandLine;
 import org.chromium.content.common.ProcessInitException;
 import org.chromium.content_shell.Shell;
@@ -41,7 +40,6 @@ public class ContentShellActivity extends Activity {
 
     private ShellManager mShellManager;
     private WindowAndroid mWindowAndroid;
-    private TracingControllerAndroid mTracingController;
 
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
@@ -142,25 +140,6 @@ public class ContentShellActivity extends Activity {
         }
     }
 
-    private TracingControllerAndroid getTracingController() {
-        if (mTracingController == null) {
-            mTracingController = new TracingControllerAndroid(this);
-        }
-        return mTracingController;
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        getTracingController().registerReceiver(this);
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        getTracingController().unregisterReceiver(this);
-    }
-
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (keyCode != KeyEvent.KEYCODE_BACK) return super.onKeyUp(keyCode, event);