DevTools: Introduce Target class which holds connection & models

Source/devtools/front_end/ConsoleModel.js

Index: Source/devtools/front_end/ConsoleModel.js
diff --git a/Source/devtools/front_end/ConsoleModel.js b/Source/devtools/front_end/ConsoleModel.js
index 10f0dddb9cac1925cd416a04906d0edd6c224f34..0e3428a08c9f17dd3ae8009d2dab11409e16320e 100644
--- a/Source/devtools/front_end/ConsoleModel.js
+++ b/Source/devtools/front_end/ConsoleModel.js
@@ -31,15 +31,16 @@
 /**
  * @constructor
  * @extends {WebInspector.Object}
+ * @param {!WebInspector.Target} target
  */
-WebInspector.ConsoleModel = function()
+WebInspector.ConsoleModel = function(target)
 {
-    this._agent = ConsoleAgent;
+    this._agent = target.agent("Console");
     this.messages = [];
     this.warnings = 0;
     this.errors = 0;
     this._interruptRepeatCount = false;
-    InspectorBackend.registerConsoleDispatcher(new WebInspector.ConsoleDispatcher(this));
+    target.registerDispatcher("Console", new WebInspector.ConsoleDispatcher(this));
 }
 
 WebInspector.ConsoleModel.Events = {