Revert of Simplify BrowserContext by removing redundant methods.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 01bd2aaa1981e52760446c7dc26c707973a6a803..e759d74f590727a0b5e7b917723ebfa680211622 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -792,6 +792,10 @@
   return NULL;
 }
 
+net::URLRequestContextGetter* TestingProfile::GetRequestContext() {
+  return GetDefaultStoragePartition(this)->GetURLRequestContext();
+}
+
 net::URLRequestContextGetter* TestingProfile::GetMediaRequestContext() {
   return NULL;
 }
@@ -807,10 +811,6 @@
     const base::FilePath& partition_path,
     bool in_memory) {
   return NULL;
-}
-
-net::URLRequestContextGetter* TestingProfile::GetRequestContext() {
-  return GetDefaultStoragePartition(this)->GetURLRequestContext();
 }
 
 net::URLRequestContextGetter* TestingProfile::GetRequestContextForExtensions() {