[Android History] Add basic tablet support

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java
index 0d3506cdeb86a6e9917efd211016a1cb6b884170..29bfbf0f9d24845a8b4487ef96e64f1ad0ab7e04 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java
@@ -9,6 +9,7 @@ import android.util.AttributeSet;
 
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.widget.selection.SelectionToolbar;
+import org.chromium.ui.base.DeviceFormFactor;
 
 /**
  * The SelectionToolbar for the browsing history UI.
@@ -18,6 +19,10 @@ public class HistoryManagerToolbar extends SelectionToolbar<HistoryItem> {
         super(context, attrs);
         inflateMenu(R.menu.history_manager_menu);
 
+        if (DeviceFormFactor.isTablet(getContext())) {
+            getMenu().removeItem(R.id.close_menu_id);
+        }
+
         // TODO(twellington): Add content descriptions to the number roll view.
     }
 }