Migrate accessibility from RenderView to RenderFrame.

content/renderer/render_view_impl_params.cc

Index: content/renderer/render_view_impl_params.cc
diff --git a/content/renderer/render_view_impl_params.cc b/content/renderer/render_view_impl_params.cc
index a3f303edb43dbba1a8e1902e30b5d24248e0c485..5feeb905dceb4ca082b60d9046b5ba3dc5d86e0c 100644
--- a/content/renderer/render_view_impl_params.cc
+++ b/content/renderer/render_view_impl_params.cc
@@ -21,8 +21,7 @@ RenderViewImplParams::RenderViewImplParams(
     bool hidden,
     bool never_visible,
     int32 next_page_id,
-    const blink::WebScreenInfo& screen_info,
-    AccessibilityMode accessibility_mode)
+    const blink::WebScreenInfo& screen_info)
     : opener_id(opener_id),
       window_was_created_with_opener(window_was_created_with_opener),
       renderer_prefs(renderer_prefs),
@@ -37,8 +36,7 @@ RenderViewImplParams::RenderViewImplParams(
       hidden(hidden),
       never_visible(never_visible),
       next_page_id(next_page_id),
-      screen_info(screen_info),
-      accessibility_mode(accessibility_mode) {}
+      screen_info(screen_info) {}
 
 RenderViewImplParams::~RenderViewImplParams() {}