Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/extensions/extension_webrequest_api_unittest.cc

Index: chrome/browser/extensions/extension_webrequest_api_unittest.cc
diff --git a/chrome/browser/extensions/extension_webrequest_api_unittest.cc b/chrome/browser/extensions/extension_webrequest_api_unittest.cc
index 8398433af1a7584333a1892b82f555d137d610e8..012d86527d076c61be84e86c1f7d30b72a0d99cf 100644
--- a/chrome/browser/extensions/extension_webrequest_api_unittest.cc
+++ b/chrome/browser/extensions/extension_webrequest_api_unittest.cc
@@ -15,7 +15,6 @@
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/common/json_value_serializer.h"
@@ -78,7 +77,7 @@ class TestIPCSender : public IPC::Message::Sender {
   SentMessages sent_messages_;
 };
 
-class ExtensionWebRequestTest : public TestingBrowserProcessTest {
+class ExtensionWebRequestTest : public testing::Test {
  protected:
   virtual void SetUp() {
     event_router_ = new ExtensionEventRouterForwarder();
@@ -335,7 +334,6 @@ class ExtensionWebRequestHeaderModificationTest :
     context_->set_network_delegate(network_delegate_.get());
   }
 
-  ScopedTestingBrowserProcess browser_process_;
   MessageLoopForIO io_loop_;
   TestingProfile profile_;
   TestDelegate delegate_;