media: Add media pipeline fuzzer test.

media/test/BUILD.gn

Index: media/test/BUILD.gn
diff --git a/media/test/BUILD.gn b/media/test/BUILD.gn
index 21749a9e8a848cd7b13263f0f52c418700fdaaf2..9ff13814f8656764b52d9a6f42ca6e42fc822b75 100644
--- a/media/test/BUILD.gn
+++ b/media/test/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//media/media_options.gni")
+import("//testing/libfuzzer/fuzzer_test.gni")
 
 source_set("pipeline_integration_test_base") {
   testonly = true
@@ -113,3 +114,20 @@ source_set("mojo_pipeline_integration_tests") {
     ]
   }
 }
+
+fuzzer_test("pipeline_integration_fuzzertest") {
+  sources = [
+    "pipeline_integration_fuzzertest.cc",
+  ]
+  deps = [
+    "//base",
+    "//media",
+    "//media/test:pipeline_integration_test_base",
+
+    # TODO(dalecurtis): Required since the gmock header is included in the
+    # header for pipeline_integration_test_base.h.  This should be
+    # moved into the .cc file to avoid the extra dependency here.
+    "//testing/gmock",
+    "//ui/gfx:test_support",
+  ]
+}