Naming fixes to bottom bar color extra

chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java

Index: chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java
diff --git a/chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java b/chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java
index 02e196893fca95b8b65a90f9d7b3f209ea7048cd..9693c9767215a178ff5ec533a95d5d6e2fb73d9c 100644
--- a/chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java
+++ b/chrome/android/java/src/android/support/customtabs/CustomTabsIntent.java
@@ -155,11 +155,11 @@ public class CustomTabsIntent {
     public static final int TOOLBAR_ACTION_BUTTON_ID = 0;
 
     /**
-     * Extra that changes the background color for the custom action bar. The value should be an int
-     * that specifies a {@link Color}, not a resource id.
+     * Extra that changes the background color for the secondary action bar. The value should be an
+     * int that specifies a {@link Color}, not a resource id.
      */
-    public static final String EXTRA_CUSTOM_ACTION_BAR_COLOR =
-            "android.support.customtabs.extra.CUSTOM_ACTION_BAR_COLOR";
+    public static final String EXTRA_SECONDARY_ACTION_BAR_COLOR =
+            "android.support.customtabs.extra.SECONDARY_ACTION_BAR_COLOR";
 
     /**
      * Convenience method to create a VIEW intent without a session for the given package.