android: Record the memory size of the GSA process.

chrome/android/javatests/src/org/chromium/chrome/browser/gsa/GSAServiceClientTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/gsa/GSAServiceClientTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/gsa/GSAServiceClientTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/gsa/GSAServiceClientTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..bc278ca8c9ff2ea6b6d34fa5f352bc1cc4b9cf40
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/gsa/GSAServiceClientTest.java
@@ -0,0 +1,67 @@
+// Copyright 2016 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.chrome.browser.gsa;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.Log;
+
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+/** Tests for GSAServiceClient. */
+public class GSAServiceClientTest extends InstrumentationTestCase {
+    private static final String TAG = "GSAServiceClientTest";
+
+    @SmallTest
+    public void testGetPssForService() throws Exception {
+        Context context = getInstrumentation().getTargetContext();
+
+        if (!GSAState.getInstance(context).isGsaAvailable()) {
+            Log.w(TAG, "GSA is not available");
+            return;
+        }
+
+        final AtomicReference<ComponentName> componentNameRef = new AtomicReference<>();
+        final Semaphore semaphore = new Semaphore(0);
+        Intent intent =
+                new Intent(GSAServiceClient.GSA_SERVICE).setPackage(GSAState.SEARCH_INTENT_PACKAGE);
+
+        ServiceConnection connection = new ServiceConnection() {
+            @Override
+            public void onServiceConnected(ComponentName name, IBinder service) {
+                componentNameRef.set(name);
+                semaphore.release();
+            }
+
+            @Override
+            public void onServiceDisconnected(ComponentName name) {}
+        };
+        context.bindService(intent, connection, Context.BIND_AUTO_CREATE);
+        try {
+            assertTrue("Timeout", semaphore.tryAcquire(10, TimeUnit.SECONDS));
+
+            int pss = GSAServiceClient.getPssForService(componentNameRef.get());
+            assertTrue(pss != GSAServiceClient.INVALID_PSS);
+            assertTrue(pss > 0);
+        } finally {
+            context.unbindService(connection);
+        }
+    }
+
+    @SmallTest
+    public void testGetPssForServiceServiceNotFound() throws Exception {
+        ComponentName componentName = new ComponentName("unknown.package.name", "UnknownClass");
+        int pss = GSAServiceClient.getPssForService(componentName);
+        assertTrue(pss == GSAServiceClient.INVALID_PSS);
+    }
+}