Replicate LayoutTestRuntimeFlags across secondary window renderers.

content/shell/common/shell_messages.h

Index: content/shell/common/shell_messages.h
diff --git a/content/shell/common/shell_messages.h b/content/shell/common/shell_messages.h
index c978e7170f2b3021f1c8b911f9992dd90dbcf4f6..248ca204eb5348c647b02aec3f34fe4b76c6e671 100644
--- a/content/shell/common/shell_messages.h
+++ b/content/shell/common/shell_messages.h
@@ -43,20 +43,13 @@ IPC_MESSAGE_ROUTED1(ShellViewMsg_SetTestConfiguration,
 
 // Replicates test config (for an already started test) to a new renderer
 // that hosts parts of the main test window.
-IPC_MESSAGE_ROUTED2(
-    ShellViewMsg_ReplicateTestConfiguration,
-    content::ShellTestConfiguration,
-    base::DictionaryValue /* accumulated_layout_test_runtime_flags_changes */)
+IPC_MESSAGE_ROUTED1(ShellViewMsg_ReplicateTestConfiguration,
+                    content::ShellTestConfiguration)
 
 // Sets up a secondary renderer (renderer that doesn't [yet] host parts of the
 // main test window) for a layout test.
 IPC_MESSAGE_ROUTED0(ShellViewMsg_SetupSecondaryRenderer)
 
-// Used to broadcast changes happening in one renderer to all other renderers.
-IPC_MESSAGE_ROUTED1(
-    ShellViewMsg_ReplicateLayoutTestRuntimeFlagsChanges,
-    base::DictionaryValue /* changed_layout_test_runtime_flags */)
-
 // Tells the main window that a secondary renderer in a different process thinks
 // the test is finished.
 IPC_MESSAGE_ROUTED0(ShellViewMsg_NotifyDone)
@@ -81,12 +74,6 @@ IPC_MESSAGE_ROUTED0(ShellViewMsg_LayoutDumpRequest)
 IPC_MESSAGE_ROUTED1(ShellViewMsg_LayoutDumpCompleted,
                     std::string /* completed/stitched layout dump */)
 
-// Notifies the browser that one of renderers has changed layout test runtime
-// flags (i.e. has set dump_as_text).
-IPC_MESSAGE_ROUTED1(
-    ShellViewHostMsg_LayoutTestRuntimeFlagsChanged,
-    base::DictionaryValue /* changed_layout_test_runtime_flags */)
-
 // Send a text dump of the WebContents to the render host.
 IPC_MESSAGE_ROUTED1(ShellViewHostMsg_TextDump,
                     std::string /* dump */)