[DevTools] Split network handling off ChromeDevToolsManagerDelegate to be reused on Android.

chrome/browser/devtools/BUILD.gn

 # Copyright 2014 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.
 
 action("devtools_protocol_constants") {
   script = "//content/public/browser/devtools_protocol_constants_generator.py"
 
   blink_protocol = "//third_party/WebKit/Source/devtools/protocol.json"
   browser_protocol = "//content/browser/devtools/browser_protocol.json"
   inputs = [ blink_protocol, browser_protocol ]
@@ skipping 13 matching lines @@
   # Note: new sources and deps should be generally added in (!is_android) below.
   sources = [
     "chrome_devtools_manager_delegate.cc",
     "chrome_devtools_manager_delegate.h",
     "devtools_network_conditions.cc",
     "devtools_network_conditions.h",
     "devtools_network_controller.cc",
     "devtools_network_controller.h",
     "devtools_network_interceptor.cc",
     "devtools_network_interceptor.h",
+    "devtools_network_protocol_handler.cc",
+    "devtools_network_protocol_handler.h",
     "devtools_network_transaction.cc",
     "devtools_network_transaction.h",
     "devtools_network_transaction_factory.cc",
     "devtools_network_transaction_factory.h",
     "devtools_protocol.cc",
     "devtools_protocol.h"
   ]
   sources += get_target_outputs(":devtools_protocol_constants")
 
   # TODO(GYP)
@@ skipping 71 matching lines @@
       "devtools_toggle_action.h",
       "devtools_ui_bindings.cc",
       "devtools_ui_bindings.h",
       "devtools_window.cc",
       "devtools_window.h",
       "remote_debugging_server.cc",
       "remote_debugging_server.h"
     ]
   }
 }