[Android] Upstream content detection and ChromeBrowserProvider tests.

chrome/android/testshell/javatests/src/org/chromium/chrome/testshell/ProviderTestBase.java

Index: chrome/android/testshell/javatests/src/org/chromium/chrome/testshell/ProviderTestBase.java
diff --git a/chrome/android/testshell/javatests/src/org/chromium/chrome/testshell/ProviderTestBase.java b/chrome/android/testshell/javatests/src/org/chromium/chrome/testshell/ProviderTestBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..8fb1709ed0fced16bd927732aa600944ef575598
--- /dev/null
+++ b/chrome/android/testshell/javatests/src/org/chromium/chrome/testshell/ProviderTestBase.java
@@ -0,0 +1,44 @@
+// 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.chrome.testshell;
+
+import android.content.ContentProvider;
+import android.content.ContentResolver;
+import android.test.IsolatedContext;
+import android.test.mock.MockContentResolver;
+
+import org.chromium.chrome.browser.ChromeBrowserProvider;
+import org.chromium.chrome.testshell.ChromiumTestShellTestBase;
+
+/**
+ * Base class for Chrome's ContentProvider tests.
+ * Sets up a local ChromeBrowserProvider associated to a mock resolver in an isolated context.
+ */
+public class ProviderTestBase extends ChromiumTestShellTestBase {
+
+    private IsolatedContext mContext;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        ChromiumTestShellActivity activity = launchChromiumTestShellWithUrl(null);
+        assertNotNull(activity);
+
+        ContentProvider provider = new ChromeBrowserProvider();
+        provider.attachInfo(activity, null);
+
+        MockContentResolver resolver = new MockContentResolver();
+        resolver.addProvider(ChromeBrowserProvider.getApiAuthority(activity), provider);
+        resolver.addProvider(ChromeBrowserProvider.getInternalAuthority(activity), provider);
+
+        mContext = new IsolatedContext(resolver, activity);
+        assertTrue(getContentResolver() instanceof MockContentResolver);
+    }
+
+    protected ContentResolver getContentResolver() {
+        return mContext.getContentResolver();
+    }
+}