Revert of Android: Make the spare renderer accessible to all Chrome tabs.

chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java
index 9b25e40834b17ed3710e9d7b81f1227c7650c057..44052aeaa47901dd0bb3ff3c0839ecb552989b8a 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreatorTest.java
@@ -8,13 +8,11 @@
 import static org.chromium.base.test.util.Restriction.RESTRICTION_TYPE_NON_LOW_END_DEVICE;
 
 import android.os.Environment;
-import android.test.UiThreadTest;
 import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.Restriction;
-import org.chromium.chrome.browser.WarmupManager;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
@@ -106,26 +104,6 @@
     }
 
     /**
-     * Verify that the spare WebContents is used.
-     *
-     * Spare WebContents are not created on low-devices, so don't run the test.
-     */
-    @Restriction(RESTRICTION_TYPE_NON_LOW_END_DEVICE)
-    @MediumTest
-    @Feature({"Browser"})
-    @UiThreadTest
-    public void testCreateNewTabTakesSpareWebContents()
-            throws ExecutionException, InterruptedException {
-        Tab currentTab = getActivity().getActivityTab();
-        WarmupManager.getInstance().createSpareWebContents();
-        assertTrue(WarmupManager.getInstance().hasSpareWebContents());
-        getActivity().getCurrentTabCreator().createNewTab(
-                new LoadUrlParams(mTestServer.getURL(TEST_PATH)), TabLaunchType.FROM_EXTERNAL_APP,
-                currentTab);
-        assertFalse(WarmupManager.getInstance().hasSpareWebContents());
-    }
-
-    /**
      * @return the index of the given tab in the current tab model
      */
     private int indexOf(Tab tab) {