Add workaround for TextView.setCompoundDrawablesRelative() on JB MR1.

base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java

Index: base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
diff --git a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
index 1e8a143eb0a6e501cc9c188a28125f61103ad51f..a544184113e203f8036e6336c104daf085f874f8 100644
--- a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
+++ b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
@@ -8,6 +8,7 @@ import android.app.PendingIntent;
 import android.content.res.Configuration;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup.MarginLayoutParams;
 import android.view.ViewTreeObserver;
@@ -15,11 +16,16 @@ import android.widget.ImageView;
 import android.widget.RemoteViews;
 import android.widget.TextView;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
 /**
  * Utility class to use new APIs that were added after ICS (API level 14).
  */
 public class ApiCompatibilityUtils {
 
+    private static final String TAG = "ApiCompatibilityUtils";
+
     private ApiCompatibilityUtils() {
     }
 
@@ -172,6 +178,24 @@ public class ApiCompatibilityUtils {
     public static void setCompoundDrawablesRelative(TextView textView, Drawable start, Drawable top,
             Drawable end, Drawable bottom) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            // On JB MR1, setCompoundDrawablesRelative() is a no-op if the view has ever been
+            // measured: due to a bug, it doesn't call resetResolvedDrawables(). Unfortunately,
+            // resetResolvedDrawables() is a hidden method so we can't call it directly. Instead,
+            // we use reflection.
+            if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                try {
+                    Method resetResolvedDrawables = TextView.class.getDeclaredMethod(
+                            "resetResolvedDrawables");
+                    resetResolvedDrawables.setAccessible(true);
+                    resetResolvedDrawables.invoke(textView);
+                } catch (NoSuchMethodException e) {
+                    Log.w(TAG, e);
+                } catch (IllegalAccessException e) {
+                    Log.w(TAG, e);
+                } catch (InvocationTargetException e) {
+                    throw new RuntimeException(e);
+                }
+            }
             textView.setCompoundDrawablesRelative(start, top, bottom, end);
         } else {
             textView.setCompoundDrawables(start, top, bottom, end);