Mark GpuFeatureTest.WebGLAlloweda as DISABLED_ on Linux, as it crashes/times out

chrome/test/gpu/gpu_feature_browsertest.cc

 // Copyright (c) 2011 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 "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/test/trace_event_analyzer.h"
 #include "base/version.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 84 matching lines @@
       flags.flags(),
       static_cast<uint32>(GpuFeatureFlags::kGpuFeatureAcceleratedCompositing));
 
   const bool expect_gpu_process = false;
   const FilePath url(FILE_PATH_LITERAL("feature_compositing.html"));
   RunTest(url, expect_gpu_process);
 }
 
 #if defined(OS_LINUX)
 // http://crbug.com/104142
-#define WebGLAllowed FLAKY_WebGLAllowed
+#define MAYBE_WebGLAllowed DISABLED_WebGLAllowed
+#else
+#define MAYBE_WebGLAllowed WebGLAllowed
 #endif
-IN_PROC_BROWSER_TEST_F(GpuFeatureTest, WebGLAllowed) {
+IN_PROC_BROWSER_TEST_F(GpuFeatureTest, MAYBE_WebGLAllowed) {
   GpuFeatureFlags flags = GpuDataManager::GetInstance()->GetGpuFeatureFlags();
   EXPECT_EQ(flags.flags(), 0u);
 
   const bool expect_gpu_process = true;
   const FilePath url(FILE_PATH_LITERAL("feature_webgl.html"));
   RunTest(url, expect_gpu_process);
 }
 
 IN_PROC_BROWSER_TEST_F(GpuFeatureTest, WebGLBlocked) {
   const std::string json_blacklist =
@@ skipping 58 matching lines @@
       flags.flags(),
       static_cast<uint32>(GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas));
 
   const bool expect_gpu_process = false;
   const FilePath url(FILE_PATH_LITERAL("feature_canvas2d.html"));
   RunTest(url, expect_gpu_process);
 }
 
 }  // namespace anonymous