Disable more failing GPU tests on Linux

Some tests were already disabled in https://crrev.com/c/2605403
But others are still failing:
https://ci.chromium.org/ui/p/chromium/builders/ci/Linux%20CFI/19334/overview

TBR=jdarpinian@chromium.org

Bug: 1162117
Change-Id: I615aaba11b736e81c9051dc867c2605ddcdd1615
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2602435Reviewed-by: Sergey Poromov <poromov@chromium.org>
Commit-Queue: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839567}

gpu/command_buffer/service/webgpu_decoder_unittest.cc

@@ -72,7 +72,13 @@ class WebGPUDecoderTest : public ::testing::Test {
   static const DawnDeviceClientID kDeviceClientID = 0u;
 };
 
-TEST_F(WebGPUDecoderTest, DawnCommands) {
+// TODO(crbug.com/1162117): gl_tests failing on Linux
+#if defined(OS_LINUX)
+#define MAYBE_DawnCommands DISABLED_DawnCommands
+#else
+#define MAYBE_DawnCommands DawnCommands
+#endif
+TEST_F(WebGPUDecoderTest, MAYBE_DawnCommands) {
   if (!WebGPUSupported()) {
     LOG(ERROR) << "Test skipped because WebGPU isn't supported";
     return;

gpu/command_buffer/tests/shared_image_gl_backing_produce_dawn_unittest.cc

@@ -92,7 +92,13 @@ class SharedImageGLBackingProduceDawnTest : public WebGPUTest {
 // For simplicity of the test the image is shared between a Dawn device and
 // itself: we render to it using the Dawn device, then re-associate it to a
 // Dawn texture and read back the values that were written.
-TEST_F(SharedImageGLBackingProduceDawnTest, Basic) {
+// TODO(crbug.com/1162117): gl_tests failing on Linux
+#if defined(OS_LINUX)
+#define MAYBE_Basic DISABLED_Basic
+#else
+#define MAYBE_Basic Basic
+#endif
+TEST_F(SharedImageGLBackingProduceDawnTest, MAYBE_Basic) {
   if (ShouldSkipTest())
     return;
   if (!WebGPUSupported()) {