Restructuring WebContents functions from ContentViewCore to WebContents.

content/public/android/java/src/org/chromium/content_public/browser/WebContents.java

Index: content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
index b24c1d1f7869f398cdeee7d1d946b606015214e0..5db2c7cad12d86e35987f5ead38b51aef784afe2 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
@@ -146,4 +146,18 @@ public interface WebContents {
      */
     public void beginExitTransition(String cssSelector);
 
+    /**
+     * Injects the passed Javascript code in the current page and evaluates it.
+     * If a result is required, pass in a callback.
+     *
+     * @param script The Javascript to execute.
+     * @param callback The callback to be fired off when a result is ready. The script's
+     *                 result will be json encoded and passed as the parameter, and the call
+     *                 will be made on the main thread.
+     *                 If no result is required, pass null.
+     * @param startRenderer Tells whether to start Renderer or not for initial empty document
+     */
+    public void evaluateJavaScript(String script, JavaScriptCallback callback,
+            boolean startRenderer);
+
 }