[Polymer] update polymer

chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java
index 84c8b5e1faa1c54fe221553dbea6478fc013638e..50766b72d24fbf1f5128be200de498f31398dcf5 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/precache/PrecacheLauncherTest.java
@@ -7,6 +7,8 @@ package org.chromium.chrome.browser.precache;
 import android.content.Context;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import com.google.android.gms.gcm.Task;
+
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
@@ -23,6 +25,7 @@ import java.util.concurrent.Callable;
 public class PrecacheLauncherTest extends NativeLibraryTestBase {
     private StubProfileSyncService mSync;
     private PrecacheLauncherUnderTest mLauncher;
+    private MockPrecacheTaskScheduler mPrecacheTaskScheduler;
 
     private class PrecacheLauncherUnderTest extends PrecacheLauncher {
         private boolean mShouldRun = false;
@@ -63,6 +66,18 @@ public class PrecacheLauncherTest extends NativeLibraryTestBase {
         }
     }
 
+    static class MockPrecacheTaskScheduler extends PrecacheTaskScheduler {
+        @Override
+        boolean scheduleTask(Context context, Task task) {
+            return true;
+        }
+
+        @Override
+        boolean cancelTask(Context context, String tag) {
+            return true;
+        }
+    }
+
     @Override
     protected void setUp() throws Exception {
         super.setUp();
@@ -70,6 +85,9 @@ public class PrecacheLauncherTest extends NativeLibraryTestBase {
         // the fly without needing to set up a sync backend.
         mLauncher = new PrecacheLauncherUnderTest();
 
+        mPrecacheTaskScheduler = new MockPrecacheTaskScheduler();
+        PrecacheController.setTaskScheduler(mPrecacheTaskScheduler);
+
         // The target context persists throughout the entire test run, and so leaks state between
         // tests. We reset the is_precaching_enabled pref to false to make the test run consistent,
         // in case another test class has modified this pref.