Removing ContentViewCore dependencies from direct WebContents functions.

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java

Index: content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
diff --git a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
index 68d90b9c3a0f492b7f563229a28682b3fa66cefb..d3dc3fe5770f2a4df0080894da16ea9fea34f512 100644
--- a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
+++ b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java
@@ -22,6 +22,7 @@ import org.chromium.content.browser.BrowserStartupController;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.DeviceUtils;
 import org.chromium.content.common.ContentSwitches;
+import org.chromium.content_public.browser.WebContents;
 import org.chromium.content_shell.Shell;
 import org.chromium.content_shell.ShellManager;
 import org.chromium.ui.base.ActivityWindowAndroid;
@@ -224,4 +225,14 @@ public class ContentShellActivity extends Activity {
         Shell shell = getActiveShell();
         return shell != null ? shell.getContentViewCore() : null;
     }
+
+    /**
+     * @return The {@link WebContents} owned by the currently visible {@link Shell} or null if
+     *         one is not showing.
+     */
+    public WebContents getActiveWebContents() {
+        Shell shell = getActiveShell();
+        return shell != null ? shell.getWebContents() : null;
+    }
+
 }