Revert 235752 "Fix chrome upload with content uri"

trunk/src/ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java

Index: trunk/src/ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java
===================================================================
--- trunk/src/ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java	(revision 235758)
+++ trunk/src/ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java	(working copy)
@@ -165,11 +165,27 @@
             return;
         }
 
-        if (results.getScheme() != null
-                && results.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
-            nativeOnFileSelected(mNativeSelectFileDialog, results.getData().toString());
-            return;
-        }
+        Cursor cursor = null;
+        try {
+            // We get back a content:// URI from the system if the user picked a file from the
+            // gallery. The ContentView has functionality that will convert that content:// URI to
+            // a file path on disk that Chromium understands.
+            cursor = contentResolver.query(results.getData(),
+                    new String[] { MediaStore.MediaColumns.DATA }, null, null, null);
+            if (cursor != null) {
+                if (cursor.getCount() == 1) {
+                    cursor.moveToFirst();
+                    String path = cursor.getString(0);
+                    if (path != null) {
+                        // Not all providers support the MediaStore.DATA column. For example,
+                        // Gallery3D (com.android.gallery3d.provider) does not support it for
+                        // Picasa Web Album images.
+                        nativeOnFileSelected(mNativeSelectFileDialog, path);
+                        return;
+                    }
+                }
+            }
+        } finally { if (cursor != null) { cursor.close(); } }
 
         onFileNotSelected();
         window.showError(R.string.opening_file_error);