Remove lots of old blur plumbing.

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index f11607f0a3c9761d925e4b4ed92f1c0ddce5bc74..29c4b2c654d891c52de626ae18b31f6726940cdb 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -454,7 +454,6 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                                 OnSwapCompositorFrame(msg))
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnFocus)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnBlur)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
                         OnTextInputStateChanged)
@@ -1685,11 +1684,6 @@ void RenderWidgetHostImpl::OnFocus() {
   bad_message::ReceivedBadMessage(GetProcess(), bad_message::RWH_FOCUS);
 }
 
-void RenderWidgetHostImpl::OnBlur() {
-  // Only RenderViewHost can deal with that message.
-  bad_message::ReceivedBadMessage(GetProcess(), bad_message::RWH_BLUR);
-}
-
 void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) {
   SetCursor(cursor);
 }