Android: adds test intents for memory pressure.

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

 // Copyright (c) 2012 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.content_shell_apk;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
 
 import org.chromium.base.ChromiumActivity;
+import org.chromium.base.MemoryPressureListener;
 import org.chromium.content.app.LibraryLoader;
 import org.chromium.content.browser.ActivityContentVideoViewClient;
 import org.chromium.content.browser.AndroidBrowserProcess;
 import org.chromium.content.browser.ContentVideoView;
 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.TracingIntentHandler;
 import org.chromium.content.common.CommandLine;
@@ skipping 10 matching lines @@
     public static final String COMMAND_LINE_FILE = "/data/local/tmp/content-shell-command-line";
     private static final String TAG = ContentShellActivity.class.getName();
 
     private static final String ACTIVE_SHELL_URL_KEY = "activeUrl";
     private static final String ACTION_START_TRACE =
             "org.chromium.content_shell.action.PROFILE_START";
     private static final String ACTION_STOP_TRACE =
             "org.chromium.content_shell.action.PROFILE_STOP";
     public static final String COMMAND_LINE_ARGS_KEY = "commandLineArgs";
 
+    /**
+     * Sending an intent with this action will simulate a memory pressure signal
+     * at a critical level.
+     */
+    private static final String ACTION_LOW_MEMORY =
+            "org.chromium.content_shell.action.ACTION_LOW_MEMORY";
+
+    /**
+     * Sending an intent with this action will simulate a memory pressure signal
+     * at a moderate level.
+     */
+    private static final String ACTION_TRIM_MEMORY_MODERATE =
+            "org.chromium.content_shell.action.ACTION_TRIM_MEMORY_MODERATE";
+
+
     private ShellManager mShellManager;
     private WindowAndroid mWindowAndroid;
     private BroadcastReceiver mReceiver;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         // Initializing the command line must occur before loading the library.
         if (!CommandLine.isInitialized()) {
@@ skipping 70 matching lines @@
 
         return super.onKeyUp(keyCode, event);
     }
 
     @Override
     protected void onNewIntent(Intent intent) {
         if (getCommandLineParamsFromIntent(intent) != null) {
             Log.i(TAG, "Ignoring command line params: can only be set when creating the activity.");
         }
 
+        if (ACTION_LOW_MEMORY.equals(intent.getAction())) {
+            MemoryPressureListener.simulateMemoryPressureSignal(TRIM_MEMORY_COMPLETE);
+            return;
+        } else if (ACTION_TRIM_MEMORY_MODERATE.equals(intent.getAction())) {
+            MemoryPressureListener.simulateMemoryPressureSignal(TRIM_MEMORY_MODERATE);
+            return;
+        }
+
         String url = getUrlFromIntent(intent);
         if (!TextUtils.isEmpty(url)) {
             Shell activeView = getActiveShell();
             if (activeView != null) {
                 activeView.loadUrl(url);
             }
         }
     }
 
     @Override
@@ skipping 65 matching lines @@
 
     /**
      * @return The {@link ContentView} owned by the currently visible {@link Shell} or null if one
      *         is not showing.
      */
     public ContentView getActiveContentView() {
         Shell shell = getActiveShell();
         return shell != null ? shell.getContentView() : null;
     }
 }