Moving pixel-capturing code from web_test_proxy_base.* into pixel_dump.*

components/test_runner/layout_test_runtime_flags.h

Index: components/test_runner/layout_test_runtime_flags.h
diff --git a/components/test_runner/layout_test_runtime_flags.h b/components/test_runner/layout_test_runtime_flags.h
index 4405dba5d22e63e81fa63ba7bb4bbadb0b0a8e22..2b189e7e6051375c1ccebebbc8b3ae0a67d62fab 100644
--- a/components/test_runner/layout_test_runtime_flags.h
+++ b/components/test_runner/layout_test_runtime_flags.h
@@ -91,6 +91,13 @@ class TEST_RUNNER_EXPORT LayoutTestRuntimeFlags {
   // If true, the policy delegate will signal layout test completion.
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(policy_delegate_should_notify_done)
 
+  // If true, the test_shell will draw the bounds of the current selection rect
+  // taking possible transforms of the selection rect into account.
+  DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_selection_rect)
+
+  // If true, the test_shell will dump the drag image as pixel results.
+  DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_drag_image)
+
   // Contents of Accept-Language HTTP header requested by the test.
   DEFINE_STRING_LAYOUT_TEST_RUNTIME_FLAG(accept_languages)