[Extensions] Remove the source_tab_id property on API request messages

extensions/renderer/native_extension_bindings_system_unittest.cc

 // Copyright 2016 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 "extensions/renderer/native_extension_bindings_system.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "components/crx_file/id_util.h"
 #include "extensions/common/extension.h"
@@ skipping 57 matching lines @@
     bindings_system_.reset();
     APIBindingTest::TearDown();
   }
 
   void MockSendIPC(ScriptContext* context,
                    const ExtensionHostMsg_Request_Params& params) {
     last_params_.name = params.name;
     last_params_.arguments.Swap(params.arguments.CreateDeepCopy().get());
     last_params_.extension_id = params.extension_id;
     last_params_.source_url = params.source_url;
-    last_params_.source_tab_id = params.source_tab_id;
     last_params_.request_id = params.request_id;
     last_params_.has_callback = params.has_callback;
     last_params_.user_gesture = params.user_gesture;
     last_params_.worker_thread_id = params.worker_thread_id;
     last_params_.service_worker_version_id = params.service_worker_version_id;
   }
 
   ScriptContext* CreateScriptContext(v8::Local<v8::Context> v8_context,
                                      Extension* extension,
                                      Feature::Context context_type) {
@@ skipping 77 matching lines @@
 
     v8::Local<v8::Function> call_idle_query_state =
         FunctionFromString(context, kCallIdleQueryState);
     RunFunctionOnGlobal(call_idle_query_state, context, 0, nullptr);
   }
 
   // Validate the params that would be sent to the browser.
   EXPECT_EQ(extension->id(), last_params().extension_id);
   EXPECT_EQ("idle.queryState", last_params().name);
   EXPECT_EQ(extension->url(), last_params().source_url);
-  EXPECT_EQ(-1, last_params().source_tab_id);
   EXPECT_TRUE(last_params().has_callback);
   EXPECT_TRUE(
       last_params().arguments.Equals(ListValueFromString("[30]").get()));
 
   // Respond and validate.
   bindings_system()->HandleResponse(last_params().request_id, true,
                                     *ListValueFromString("['active']"),
                                     std::string());
 
   std::unique_ptr<base::Value> result_value = GetBaseValuePropertyFromObject(
       context->Global(), context, "responseState");
   ASSERT_TRUE(result_value);
   EXPECT_EQ("\"active\"", ValueToString(*result_value));
 }
 
 }  // namespace extensions