<webview>: Allocate the view instance ID from the WebView shim

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright 2012 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.
 
 #include "content/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 73 matching lines @@
 typedef std::map<WebKit::WebPluginContainer*,
                  BrowserPlugin*> PluginContainerMap;
 static base::LazyInstance<PluginContainerMap> g_plugin_container_map =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 BrowserPlugin::BrowserPlugin(
     RenderViewImpl* render_view,
     WebKit::WebFrame* frame,
-    const WebPluginParams& params,
-    int instance_id)
+    const WebPluginParams& params)
     : guest_instance_id_(browser_plugin::kInstanceIDNone),
-      instance_id_(instance_id),
       render_view_(render_view->AsWeakPtr()),
       render_view_routing_id_(render_view->GetRoutingID()),
       container_(NULL),
       damage_buffer_sequence_id_(0),
       resize_ack_received_(true),
       last_device_scale_factor_(1.0f),
       sad_guest_(NULL),
       guest_crashed_(false),
       auto_size_ack_pending_(false),
       persist_storage_(false),
@@ skipping 282 matching lines @@
   browser_plugin_manager()->AddBrowserPlugin(guest_instance_id, this);
 
   std::map<std::string, base::Value*> props;
   props[browser_plugin::kWindowID] =
       new base::FundamentalValue(guest_instance_id);
   TriggerEvent(browser_plugin::kEventInternalInstanceIDAllocated, &props);
 }
 
 void BrowserPlugin::Attach(scoped_ptr<base::DictionaryValue> extra_params) {
   BrowserPluginHostMsg_Attach_Params attach_params;
-  attach_params.browser_plugin_instance_id = instance_id_;
   attach_params.focused = ShouldGuestBeFocused();
   attach_params.visible = visible_;
   attach_params.name = GetNameAttribute();
   attach_params.storage_partition_id = storage_partition_id_;
   attach_params.persist_storage = persist_storage_;
   attach_params.src = GetSrcAttribute();
   GetDamageBufferWithSizeParams(&attach_params.auto_size_params,
                                 &attach_params.resize_guest_params);
 
   browser_plugin_manager()->Send(
@@ skipping 1037 matching lines @@
     const WebKit::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 guest_instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
 }  // namespace content