Fix OSK to show when physical keyboard is detached on KK

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index b0937fe41f18dc6127c5bec6e8118bfc9a4a03ad..8f4a789b4948d97dd3116cc81d800a7923d53049 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -664,7 +664,8 @@ public class ContentViewCore implements
         mEditable = Editable.Factory.getInstance().newEditable("");
         Selection.setSelection(mEditable, 0);
         mContainerViewObservers = new ObserverList<ContainerViewObserver>();
-        mCurrentConfig = getContext().getResources().getConfiguration();
+        // Deep copy newConfig so that we can notice the difference.
+        mCurrentConfig = new Configuration(getContext().getResources().getConfiguration());
     }
 
     /**
@@ -1617,7 +1618,8 @@ public class ContentViewCore implements
             // onConfigurationChange and layout has to be changed in most case.
             mContainerView.requestLayout();
         } finally {
-            mCurrentConfig = newConfig;
+            // Deep copy newConfig so that we can notice the difference.
+            mCurrentConfig = new Configuration(newConfig);
             TraceEvent.end("ContentViewCore.onConfigurationChanged");
         }
     }