Use MarginLayoutParams in ToolbarManager

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
index e3a54955f8267a339ec9bde8d7617dfa2df02858..27ed0621558f3e1fc259a115c4ce9fa7050660f7 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
@@ -16,6 +16,7 @@ import android.text.TextUtils;
 import android.view.View;
 import android.view.View.OnAttachStateChangeListener;
 import android.view.View.OnClickListener;
+import android.view.ViewGroup.MarginLayoutParams;
 import android.widget.FrameLayout;
 
 import org.chromium.base.ApiCompatibilityUtils;
@@ -167,7 +168,7 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
         mActionBarDelegate = new ActionModeController.ActionBarDelegate() {
             @Override
             public void setControlTopMargin(int margin) {
-                FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                MarginLayoutParams lp = (MarginLayoutParams)
                         mControlContainer.getLayoutParams();
                 lp.topMargin = margin;
                 mControlContainer.setLayoutParams(lp);