Remove unused IPC::Message priority.

content/browser/renderer_host/render_view_host_unittest.cc

Index: content/browser/renderer_host/render_view_host_unittest.cc
diff --git a/content/browser/renderer_host/render_view_host_unittest.cc b/content/browser/renderer_host/render_view_host_unittest.cc
index 6e702d5f224f233addab1e6126c523367277f90a..acd0035bcc955fa19f71e5b56f20eb0a4b4cdea7 100644
--- a/content/browser/renderer_host/render_view_host_unittest.cc
+++ b/content/browser/renderer_host/render_view_host_unittest.cc
@@ -226,8 +226,7 @@ TEST_F(RenderViewHostTest, BadMessageHandlerRenderViewHost) {
   EXPECT_EQ(0, process()->bad_msg_count());
   // craft an incorrect ViewHostMsg_UpdateTargetURL message. The real one has
   // two payload items but the one we construct has none.
-  IPC::Message message(0, ViewHostMsg_UpdateTargetURL::ID,
-                       IPC::Message::PRIORITY_NORMAL);
+  IPC::Message message(0, ViewHostMsg_UpdateTargetURL::ID);
   test_rvh()->OnMessageReceived(message);
   EXPECT_EQ(1, process()->bad_msg_count());
 }
@@ -238,8 +237,7 @@ TEST_F(RenderViewHostTest, BadMessageHandlerRenderWidgetHost) {
   EXPECT_EQ(0, process()->bad_msg_count());
   // craft an incorrect ViewHostMsg_UpdateRect message. The real one has
   // one payload item but the one we construct has none.
-  IPC::Message message(0, ViewHostMsg_UpdateRect::ID,
-                       IPC::Message::PRIORITY_NORMAL);
+  IPC::Message message(0, ViewHostMsg_UpdateRect::ID);
   test_rvh()->OnMessageReceived(message);
   EXPECT_EQ(1, process()->bad_msg_count());
 }
@@ -251,8 +249,7 @@ TEST_F(RenderViewHostTest, BadMessageHandlerInputEventAck) {
   // the code actually expects it to have at least one int para, this this
   // bogus message will not fail at de-serialization but should fail in
   // OnInputEventAck() processing.
-  IPC::Message message(0, InputHostMsg_HandleInputEvent_ACK::ID,
-                       IPC::Message::PRIORITY_NORMAL);
+  IPC::Message message(0, InputHostMsg_HandleInputEvent_ACK::ID);
   test_rvh()->OnMessageReceived(message);
   EXPECT_EQ(1, process()->bad_msg_count());
 }