Move OmahaQueryParams to a component and add a delegate interface.

chrome/test/base/chrome_unit_test_suite.cc

Index: chrome/test/base/chrome_unit_test_suite.cc
diff --git a/chrome/test/base/chrome_unit_test_suite.cc b/chrome/test/base/chrome_unit_test_suite.cc
index 9e40a6590aca2ebb7049b15b84dcba2eda59fc20..d123ac4318c7233deba68b9056b9314c6ac9c278 100644
--- a/chrome/test/base/chrome_unit_test_suite.cc
+++ b/chrome/test/base/chrome_unit_test_suite.cc
@@ -9,6 +9,7 @@
 #include "base/metrics/stats_table.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_content_browser_client.h"
+#include "chrome/browser/omaha_query_params/chrome_omaha_query_params_delegate.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/base/testing_browser_process.h"
@@ -144,6 +145,8 @@ void ChromeUnitTestSuite::InitializeProviders() {
       ChromeWebUIControllerFactory::GetInstance());
 
   gfx::GLSurface::InitializeOneOffForTests();
+
+  OmahaQueryParamsDelegate::Set(ChromeOmahaQueryParamsDelegate::GetInstance());
 #endif
 }