Fix adb_run_content_shell to correctly pass URL.

chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java

Index: chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java
diff --git a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java
index f072a6d06f2fd0067adf361017126c84059014ee..649b40f46f185774f7f7c60fa4e66c8fda0499d1 100644
--- a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java
+++ b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TabManager.java
@@ -35,6 +35,8 @@ public class TabManager extends LinearLayout {
 
     private TabBase mCurrentTab;
 
+    private String mStartupUrl = DEFAULT_URL;
+
     /**
      * @param context The Context the view is running in.
      * @param attrs   The attributes of the XML tag that is inflating the view.
@@ -61,7 +63,7 @@ public class TabManager extends LinearLayout {
             public void surfaceCreated(SurfaceHolder holder) {
                 nativeSurfaceCreated(holder.getSurface());
 
-                if (mCurrentTab == null) createTab(DEFAULT_URL);
+                if (mCurrentTab == null) createTab(mStartupUrl);
             }
 
             @Override
@@ -79,6 +81,13 @@ public class TabManager extends LinearLayout {
     }
 
     /**
+     * @param startupUrl The URL that the first tab should navigate to.
+     */
+    public void setStartupUrl(String startupUrl) {
+        mStartupUrl = startupUrl;
+    }
+
+    /**
      * @return The currently visible {@link TabBase}.
      */
     public TabBase getCurrentTab() {