Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/api/document_scan/document_scan_api_unittest.cc

 // 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.
 
 #include "extensions/browser/api/document_scan/document_scan_api.h"
 
 #include <string>
 #include <vector>
 
 #include "extensions/browser/api/document_scan/mock_document_scan_interface.h"
 #include "extensions/browser/api_test_utils.h"
 #include "extensions/browser/api_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::_;
 
 namespace extensions {
 
-namespace core_api {
+namespace api {
 
 // Tests of networking_private_crypto support for Networking Private API.
 class DocumentScanScanFunctionTest : public ApiUnitTest {
  public:
   DocumentScanScanFunctionTest()
       : function_(new DocumentScanScanFunction()),
         document_scan_interface_(new MockDocumentScanInterface()) {}
   ~DocumentScanScanFunctionTest() override {}
 
   void SetUp() override {
@@ skipping 78 matching lines @@
   function_->set_user_gesture(true);
   scoped_ptr<base::DictionaryValue> result(
       RunFunctionAndReturnDictionary(function_, "[{}]"));
   ASSERT_NE(nullptr, result.get());
   document_scan::ScanResults scan_results;
   EXPECT_TRUE(document_scan::ScanResults::Populate(*result, &scan_results));
   EXPECT_THAT(scan_results.data_urls, testing::ElementsAre(kScanData));
   EXPECT_EQ(kMimeType, scan_results.mime_type);
 }
 
-}  // namespace core_api
+}  // namespace api
 
 }  // namespace extensions