Move modal dialogs from WebViewClient to WebFrameClient, part 1/3.

content/common/frame_messages.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/frame_param.h"
 #include "content/common/navigation_gesture.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "content/public/common/javascript_message_type.h"
 #include "content/public/common/page_state.h"
 #include "ipc/ipc_message_macros.h"
 #include "url/gurl.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START FrameMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_Navigate_Type::Value,
@@ skipping 487 matching lines @@
                     float /* scale_factor */)
 
 // Response for FrameMsg_JavaScriptExecuteRequest, sent when a reply was
 // requested. The ID is the parameter supplied to
 // FrameMsg_JavaScriptExecuteRequest. The result has the value returned by the
 // script as its only element, one of Null, Boolean, Integer, Real, Date, or
 // String.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_JavaScriptExecuteResponse,
                     int  /* id */,
                     base::ListValue  /* result */)
+
+// A request to run a JavaScript dialog.
+IPC_SYNC_MESSAGE_ROUTED4_2(FrameHostMsg_RunJavaScriptMessage,
+                           base::string16     /* in - alert message */,
+                           base::string16     /* in - default prompt */,
+                           GURL               /* in - originating page URL */,
+                           content::JavaScriptMessageType /* in - type */,
+                           bool               /* out - success */,
+                           base::string16     /* out - user_input field */)
+
+// Displays a dialog to confirm that the user wants to navigate away from the
+// page. Replies true if yes, and false otherwise. The reply string is ignored,
+// but is included so that we can use OnJavaScriptMessageBoxClosed.
+IPC_SYNC_MESSAGE_ROUTED3_2(FrameHostMsg_RunBeforeUnloadConfirm,
+                           GURL,           /* in - originating frame URL */
+                           base::string16  /* in - alert message */,
+                           bool            /* in - is a reload */,
+                           bool            /* out - success */,
+                           base::string16  /* out - This is ignored.*/)