Changed the constraints for hiding the top controls

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index 1a5933485bfadc2b4125f5b4b18a6208adf49674..b6db62b83acd8148fdfc8ced924b7e68ed432974 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -189,7 +189,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
     private boolean mIsClosing;
     private boolean mIsShowingErrorPage;
-    private boolean mIsImeShowing;
 
     private Bitmap mFavicon;
 
@@ -514,9 +513,8 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
         }
 
         @Override
-        public void onImeStateChangeRequested(boolean requestShow) {
+        public void onFocusedNodeEditabilityChanged(boolean editable) {
             if (getFullscreenManager() == null) return;
-            mIsImeShowing = requestShow;
             updateFullscreenEnabledState();
         }
     }
@@ -1312,7 +1310,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
             mFullscreenHungRendererToken = FullscreenManager.INVALID_TOKEN;
             mPreviousFullscreenOverdrawBottomHeight = Float.NaN;
         }
-        mIsImeShowing = false;
 
         hideInternal();
 
@@ -2476,7 +2473,7 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
         enableHidingTopControls &=
                 !AccessibilityUtil.isAccessibilityEnabled(getApplicationContext());
-        enableHidingTopControls &= !mIsImeShowing;
+        enableHidingTopControls &= !mContentViewCore.isFocusedNodeEditable();
         enableHidingTopControls &= !mIsShowingErrorPage;
         enableHidingTopControls &= !webContents.isShowingInterstitialPage();
         enableHidingTopControls &= (mFullscreenManager != null);