Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb5338af7ab68c4dbca54afcc60b14e96721cf3c
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java
@@ -0,0 +1,24 @@
+// Copyright 2015 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.omaha;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Looper;
+
+/**
+ * Grabs the URL that points to the Android Market page for Chrome.
+ * This incurs I/O, so don't use it from the main thread.
+ */
+public class MarketURLGetter {
+    public String getMarketURL(
+            Context applicationContext, String prefPackage, String prefMarketUrl) {
+        assert Looper.myLooper() != Looper.getMainLooper();
+
+        SharedPreferences prefs = applicationContext.getSharedPreferences(
+                prefPackage, Context.MODE_PRIVATE);
+        return prefs.getString(prefMarketUrl, "");
+    }
+}