Revert of Simplify BrowserContext by removing redundant methods.

content/public/test/test_browser_context.cc

Index: content/public/test/test_browser_context.cc
diff --git a/content/public/test/test_browser_context.cc b/content/public/test/test_browser_context.cc
index 36d5263aa46f1ef76b8ef7ae94ba495081da8eba..55c16461de96cf1651f45fdef825e953d5676bad 100644
--- a/content/public/test/test_browser_context.cc
+++ b/content/public/test/test_browser_context.cc
@@ -66,13 +66,6 @@
   permission_manager_ = std::move(permission_manager);
 }
 
-net::URLRequestContextGetter* TestBrowserContext::GetRequestContext() {
-  if (!request_context_.get()) {
-    request_context_ = new TestContextURLRequestContextGetter();
-  }
-  return request_context_.get();
-}
-
 base::FilePath TestBrowserContext::GetPath() const {
   return browser_context_dir_.path();
 }
@@ -88,6 +81,13 @@
 
 DownloadManagerDelegate* TestBrowserContext::GetDownloadManagerDelegate() {
   return NULL;
+}
+
+net::URLRequestContextGetter* TestBrowserContext::GetRequestContext() {
+  if (!request_context_.get()) {
+    request_context_ = new TestContextURLRequestContextGetter();
+  }
+  return request_context_.get();
 }
 
 net::URLRequestContextGetter* TestBrowserContext::GetMediaRequestContext() {