Add support for the camera as a source for the file picker.

Determine whether to show the camera based on the accept type associated with
the input element.

Change-Id: I48fea76fbd7a1f3df3c87288f28e01a32d9e955e
diff --git a/src/com/android/browser/Tab.java b/src/com/android/browser/Tab.java
index b9942c0..79c4574 100644
--- a/src/com/android/browser/Tab.java
+++ b/src/com/android/browser/Tab.java
@@ -1173,9 +1173,9 @@
         }
 
         @Override
-        public void openFileChooser(ValueCallback<Uri> uploadMsg) {
+        public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
             if (mInForeground) {
-                mActivity.openFileChooser(uploadMsg);
+                mActivity.openFileChooser(uploadMsg, acceptType);
             } else {
                 uploadMsg.onReceiveValue(null);
             }