Bug 936100 part 4: Rename file_flexbox* mochitests (which were previously loaded in iframes) to test_flexbox*. r=mats

--HG--
rename : layout/style/test/file_flexbox_align_self_auto.html => layout/style/test/test_flexbox_align_self_auto.html
rename : layout/style/test/file_flexbox_child_display_values.xhtml => layout/style/test/test_flexbox_child_display_values.xhtml
rename : layout/style/test/file_flexbox_flex_grow_and_shrink.html => layout/style/test/test_flexbox_flex_grow_and_shrink.html
rename : layout/style/test/file_flexbox_flex_shorthand.html => layout/style/test/test_flexbox_flex_shorthand.html
rename : layout/style/test/file_flexbox_layout.html => layout/style/test/test_flexbox_layout.html
rename : layout/style/test/file_flexbox_order.html => layout/style/test/test_flexbox_order.html
rename : layout/style/test/file_flexbox_order_table.html => layout/style/test/test_flexbox_order_table.html

layout/style/test/Makefile.in

@@ -93,14 +93,14 @@ MOCHITEST_FILES =	test_acid3_test46.html \
 		test_descriptor_storage.html \
 		test_descriptor_syntax_errors.html \
 		test_dont_use_document_colors.html \
-		file_flexbox_align_self_auto.html \
-		file_flexbox_child_display_values.xhtml \
-		file_flexbox_flex_grow_and_shrink.html \
-		file_flexbox_flex_shorthand.html \
-		file_flexbox_layout.html \
+		test_flexbox_align_self_auto.html \
+		test_flexbox_child_display_values.xhtml \
+		test_flexbox_flex_grow_and_shrink.html \
+		test_flexbox_flex_shorthand.html \
+		test_flexbox_layout.html \
 		flexbox_layout_testcases.js \
-		file_flexbox_order.html \
-		file_flexbox_order_table.html \
+		test_flexbox_order.html \
+		test_flexbox_order_table.html \
 		test_font_face_parser.html \
 		test_font_family_parsing.html \
 		test_font_feature_values_parsing.html \