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content/test/ppapi/ppapi_test.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/test/ppapi/ppapi_test.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
@@ skipping 31 matching lines @@
 void PPAPITestBase::SetUpCommandLine(base::CommandLine* command_line) {
   // The test sends us the result via a cookie.
   command_line->AppendSwitch(switches::kEnableFileCookies);
 
   // Some stuff is hung off of the testing interface which is not enabled
   // by default.
   command_line->AppendSwitch(switches::kEnablePepperTesting);
 
   // Smooth scrolling confuses the scrollbar test.
   command_line->AppendSwitch(switches::kDisableSmoothScrolling);
+
+  // Allow manual garbage collection.
+  command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose_gc");
 }
 
 GURL PPAPITestBase::GetTestFileUrl(const std::string& test_case) {
   base::FilePath test_path;
   EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &test_path));
   test_path = test_path.Append(FILE_PATH_LITERAL("ppapi"));
   test_path = test_path.Append(FILE_PATH_LITERAL("tests"));
   test_path = test_path.Append(FILE_PATH_LITERAL("test_case.html"));
 
   // Sanity check the file name.
@@ skipping 58 matching lines @@
 std::string PPAPITest::BuildQuery(const std::string& base,
                                   const std::string& test_case){
   return base::StringPrintf("%stestcase=%s", base.c_str(), test_case.c_str());
 }
 
 OutOfProcessPPAPITest::OutOfProcessPPAPITest() {
   in_process_ = false;
 }
 
 }  // namespace content