Disable flaky tests on Linux and ChromeOS.

chrome/browser/budget_service/budget_manager_browsertest.cc

Index: chrome/browser/budget_service/budget_manager_browsertest.cc
diff --git a/chrome/browser/budget_service/budget_manager_browsertest.cc b/chrome/browser/budget_service/budget_manager_browsertest.cc
index 4eaf70cb0d59892b59d4f20baa0760f442aa130c..e5ed5b8b6ad01b7addce93586c6bd54b01e71485 100644
--- a/chrome/browser/budget_service/budget_manager_browsertest.cc
+++ b/chrome/browser/budget_service/budget_manager_browsertest.cc
@@ -5,6 +5,7 @@
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
+#include "build/build_config.h"
 #include "chrome/browser/budget_service/budget_manager.h"
 #include "chrome/browser/budget_service/budget_manager_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ -117,7 +118,13 @@ IN_PROC_BROWSER_TEST_F(BudgetManagerBrowserTest, BudgetInDocument) {
   ASSERT_FALSE(success());
 }
 
-IN_PROC_BROWSER_TEST_F(BudgetManagerBrowserTest, BudgetInWorker) {
+// Flaky on ChromeOS and Linux. See http://crbug.com/657202.
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)
+#define MAYBE_BudgetInWorker DISABLED_BudgetInWorker
+#else
+#define MAYBE_BudgetInWorker BudgetInWorker
+#endif
+IN_PROC_BROWSER_TEST_F(BudgetManagerBrowserTest, MAYBE_BudgetInWorker) {
   std::string script_result;
 
   ASSERT_TRUE(RunScript("registerServiceWorker()", &script_result));