Change JS parameter to camel case.

chrome/browser/extensions/api/tabs/tabs_test.cc

 // Copyright (c) 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 <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
@@ skipping 774 matching lines @@
 
   scoped_ptr<base::DictionaryValue> get_zoom_settings_result(
       utils::ToDictionary(utils::RunFunctionAndReturnSingleResult(
           get_zoom_settings_function.get(),
           base::StringPrintf("[%u]", tab_id),
           browser())));
 
   if (!get_zoom_settings_result)
     return testing::AssertionFailure() << "no result";
 
-  if (!get_zoom_settings_result->GetDouble("default_zoom_factor",
+  if (!get_zoom_settings_result->GetDouble("defaultZoomFactor",
                                            default_zoom_factor)) {
     return testing::AssertionFailure()
            << "default zoom factor not found in result";
   }
 
   return testing::AssertionSuccess();
 }
 
 std::string ExtensionTabsZoomTest::RunSetZoomExpectError(int tab_id,
                                                          double zoom_factor) {
@@ skipping 279 matching lines @@
   // Test chrome.tabs.setZoom().
   error = RunSetZoomExpectError(tab_id, 3.14159);
   EXPECT_TRUE(MatchPattern(error, manifest_errors::kCannotAccessChromeUrl));
 
   // chrome.tabs.setZoomSettings().
   error = RunSetZoomSettingsExpectError(tab_id, "manual", "per-tab");
   EXPECT_TRUE(MatchPattern(error, manifest_errors::kCannotAccessChromeUrl));
 }
 
 }  // namespace extensions