Change source look-up design

plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java

Index: plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java
diff --git a/plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java b/plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java
index 90fd6ba3fd9e97d18f99b2a8c02c66a736b93666..e0fa708ffac07b4bbe2ef8c011d3a293cbeba57e 100644
--- a/plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java
+++ b/plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/PushChangesAction.java
@@ -5,9 +5,12 @@
 package org.chromium.debug.ui.actions;
 
 import java.io.IOException;
+import java.util.Collection;
 import java.util.List;
 
 import org.chromium.debug.core.ChromiumDebugPlugin;
+import org.chromium.debug.core.model.VmResource;
+import org.chromium.debug.core.model.VmResource.ScriptHolder;
 import org.chromium.debug.core.util.ChromiumDebugPluginUtil;
 import org.chromium.debug.core.util.ScriptTargetMapping;
 import org.chromium.debug.ui.liveedit.LiveEditDiffViewer;
@@ -60,8 +63,8 @@ public class PushChangesAction extends V8ScriptAction {
 
   public static void execute(final ScriptTargetMapping filePair,
       UpdatableScript.UpdateCallback callback, SyncCallback syncCallback, boolean previewOnly) {
-    Script script = filePair.getScriptHolder().getSingleScript();
-
+    // TODO: fix the rough behavior (inside this call).
+    Script script = filePair.getSingleScript();
     byte[] fileData;
     try {
       fileData = ChromiumDebugPluginUtil.readFileContents(filePair.getFile());