Revert of Simplify BrowserContext by removing redundant methods.

chrome/browser/extensions/api/dashboard_private/dashboard_private_api.cc

 // Copyright 2015 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 "chrome/browser/extensions/api/dashboard_private/dashboard_private_api.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/crx_file/id_util.h"
-#include "content/public/browser/storage_partition.h"
 #include "extensions/common/extension.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 namespace extensions {
 
 namespace ShowPermissionPromptForDelegatedInstall =
     api::dashboard_private::ShowPermissionPromptForDelegatedInstall;
 
@@ skipping 43 matching lines @@
   if (params_->details.icon_url) {
     icon_url = source_url().Resolve(*params_->details.icon_url);
     if (!icon_url.is_valid()) {
       return RespondNow(BuildResponse(
           api::dashboard_private::RESULT_INVALID_ICON_URL,
           kInvalidIconUrlError));
     }
   }
 
   net::URLRequestContextGetter* context_getter = nullptr;
-  if (!icon_url.is_empty()) {
-    context_getter =
-        content::BrowserContext::GetDefaultStoragePartition(browser_context())->
-            GetURLRequestContext();
-  }
+  if (!icon_url.is_empty())
+    context_getter = browser_context()->GetRequestContext();
 
   scoped_refptr<WebstoreInstallHelper> helper = new WebstoreInstallHelper(
       this, params_->details.id, params_->details.manifest, icon_url,
       context_getter);
 
   // The helper will call us back via OnWebstoreParseSuccess or
   // OnWebstoreParseFailure.
   helper->Start();
 
   // Matched with a Release in OnWebstoreParseSuccess/OnWebstoreParseFailure.
@@ skipping 91 matching lines @@
 }
 
 std::unique_ptr<base::ListValue>
 DashboardPrivateShowPermissionPromptForDelegatedInstallFunction::CreateResults(
     api::dashboard_private::Result result) const {
   return ShowPermissionPromptForDelegatedInstall::Results::Create(result);
 }
 
 }  // namespace extensions