Fix the incorrect native ImeAdapter attach and detach.

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

Index: content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java b/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
index 1f73502d70a17ff4705137121f602660c23553eb..507b8668bf5548b58ea757983441fe298d0c1ad1 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
@@ -262,9 +262,11 @@ class ImeAdapter {
     }
 
     @CalledByNative
-    void detach() {
-        mNativeImeAdapterAndroid = 0;
-        mTextInputType = 0;
+    void detach(int nativeImeAdapter) {
+        if (mNativeImeAdapterAndroid == nativeImeAdapter) {

[aurimas (slooooooooow), 2013/04/11 05:51:56]

Can you add a comment above here explaining why this check here, so it would be
easier for the next person reading to understand.

[Shouqun Liu, 2013/04/11 06:07:48]

Done, a comment added. thanks for reviewing this

On 2013/04/11 05:51:56, aurimas wrote:

+            mNativeImeAdapterAndroid = 0;
+            mTextInputType = 0;
+        }
     }
 
     boolean hasInputType() {