Revert "Disable 3 AuraWindowVideoCaptureDeviceBrowserTest on Linux"

This reverts commit edae7679.

Reason for revert: suspect CL is reverted, don't need to disable anymore

Original change's description:
> Disable 3 AuraWindowVideoCaptureDeviceBrowserTest on Linux
> 
> Test failing skia_renderer_content_browsertests on linux bot
> https://ci.chromium.org/p/chromium/builders/ci/linux-xenial-rel/7843
> 
> Tbr: sergeyu@chromium.org
> Bug: 947043
> Change-Id: Id014029fa3495c521be170a5040f086a21c6b9b4
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1543461
> Reviewed-by: Ella Ge <eirage@chromium.org>
> Commit-Queue: Ella Ge <eirage@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#645335}

TBR=eirage@chromium.org

Change-Id: I3c50ef020a09db385252e6e9e4c717655ae83eb8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 947043
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1543467Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#645341}

content/browser/media/capture/aura_window_video_capture_device_browsertest.cc

@@ -226,14 +226,8 @@ IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
 // Tests that the device starts, captures a frame, and then gracefully
 // errors-out because the target window is destroyed before the device is
 // stopped.
-#if defined(OS_LINUX)
-#define MAYBE_ErrorsOutWhenWindowIsDestroyed \
-  DISABLED_ErrorsOutWhenWindowIsDestroyed
-#else
-#define MAYBE_ErrorsOutWhenWindowIsDestroyed ErrorsOutWhenWindowIsDestroyed
-#endif
 IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
-                       MAYBE_ErrorsOutWhenWindowIsDestroyed) {
+                       ErrorsOutWhenWindowIsDestroyed) {
   // TODO(crbug.com/877172): CopyOutputRequests not allowed.
   if (features::IsSingleProcessMash())
     return;
@@ -257,13 +251,8 @@ IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
 // Tests that the device stops delivering frames while suspended. When resumed,
 // any content changes that occurred during the suspend should cause a new frame
 // to be delivered, to ensure the client is up-to-date.
-#if defined(OS_LINUX)
-#define MAYBE_SuspendsAndResumes DISABLED_SuspendsAndResumes
-#else
-#define MAYBE_SuspendsAndResumes SuspendsAndResumes
-#endif
 IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
-                       MAYBE_SuspendsAndResumes) {
+                       SuspendsAndResumes) {
   // TODO(crbug.com/877172): CopyOutputRequests not allowed.
   if (features::IsSingleProcessMash())
     return;
@@ -299,14 +288,8 @@ IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
 
 // Tests that the device delivers refresh frames when asked, while the source
 // content is not changing.
-#if defined(OS_LINUX)
-#define MAYBE_DeliversRefreshFramesUponRequest \
-  DISABLED_DeliversRefreshFramesUponRequest
-#else
-#define MAYBE_DeliversRefreshFramesUponRequest DeliversRefreshFramesUponRequest
-#endif
 IN_PROC_BROWSER_TEST_F(AuraWindowVideoCaptureDeviceBrowserTest,
-                       MAYBE_DeliversRefreshFramesUponRequest) {
+                       DeliversRefreshFramesUponRequest) {
   // TODO(crbug.com/877172): CopyOutputRequests not allowed.
   if (features::IsSingleProcessMash())
     return;