content: Re-enable OOPBrowserTest on linux.

The test was disabled because of a flaky crash which has been fixed by
https://chromium-review.googlesource.com/c/chromium/src/+/1263043.

TBR=piman@chromium.org

Bug: 880948
Change-Id: I32dc675ba564fdb580840482c375237b59e3a15f
Reviewed-on: https://chromium-review.googlesource.com/c/1450615Reviewed-by: Khushal <khushalsagar@chromium.org>
Commit-Queue: Khushal <khushalsagar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#628490}

content/browser/oop_browsertest.cc

@@ -54,13 +54,7 @@ class OOPBrowserTest : public ContentBrowserTest {
 
 // This test calls into system GL which is not instrumented with MSAN.
 #if !defined(MEMORY_SANITIZER)
-// TODO(crbug.com/880948) Disabled for crashes on Linux CFI, see bug.
-#if defined(OS_LINUX)
-#define MAYBE_Basic DISABLED_Basic
-#else
-#define MAYBE_Basic Basic
-#endif
-IN_PROC_BROWSER_TEST_F(OOPBrowserTest, MAYBE_Basic) {
+IN_PROC_BROWSER_TEST_F(OOPBrowserTest, Basic) {
   // Create a div to ensure we don't use solid color quads.
   GURL url = GURL(
       "data:text/html,"