aura: Clean up compositor initialization/destruction.

chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc

Index: chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc
diff --git a/chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc b/chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc
index af1689ff649bc4972355c79dd97e799166e501c9..c2565f8d6706621b1672a5dda581a372b059f199 100644
--- a/chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc
+++ b/chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc
@@ -20,7 +20,6 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
-#include "chrome/test/base/test_launcher_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/gpu_data_manager.h"
 #include "content/public/browser/notification_observer.h"
@@ -312,17 +311,6 @@ IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest, EmptyCrx) {
 }
 
 class ExtensionWebstoreGetWebGLStatusTest : public InProcessBrowserTest {
- public:
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
-    // We need to launch GPU process to decide if WebGL is allowed.
-    // Run it on top of osmesa to avoid bot driver issues.
-#if !defined(OS_MACOSX)
-    CHECK(test_launcher_utils::OverrideGLImplementation(
-        command_line, gfx::kGLImplementationOSMesaName)) <<
-        "kUseGL must not be set multiple times!";
-#endif
-  }
-
  protected:
   void RunTest(bool webgl_allowed) {
     static const char kEmptyArgs[] = "[]";