Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java

Index: content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java b/content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java
index 108f5ec8ac6dfb50eb625fe04ba8b80a83513d57..1613070fa6879abbf3d701ca07f1fb912db5a9b0 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java
@@ -4,7 +4,6 @@
 
 package org.chromium.content.browser.input;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.os.Build;
 import android.os.IBinder;
@@ -69,10 +68,12 @@ public class InputMethodManagerWrapper {
      * @see android.view.inputmethod.InputMethodManager#updateCursorAnchorInfo(View,
      * CursorAnchorInfo)
      */
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    public void updateCursorAnchorInfo(View view, CursorAnchorInfo cursorAnchorInfo) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            getInputMethodManager().updateCursorAnchorInfo(view, cursorAnchorInfo);
+    public void updateCursorAnchorInfo(View view, CursorAnchorInfoWrapper cursorAnchorInfo) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) return;
+        if (cursorAnchorInfo == null) return;
+        Object realObject = cursorAnchorInfo.unwrap();
+        if (realObject instanceof CursorAnchorInfo) {
+            getInputMethodManager().updateCursorAnchorInfo(view, (CursorAnchorInfo) realObject);
         }
     }
 }