Always enable dom automation for browser_tests. This avoids developers having to call EnableDOMAuto…

content/browser/fileapi/file_system_browsertest.cc

Index: content/browser/fileapi/file_system_browsertest.cc
===================================================================
--- content/browser/fileapi/file_system_browsertest.cc	(revision 147000)
+++ content/browser/fileapi/file_system_browsertest.cc	(working copy)
@@ -23,9 +23,7 @@
 // the actual implementation that lives in the browser side.
 class FileSystemBrowserTest : public InProcessBrowserTest {
  public:
-  FileSystemBrowserTest() {
-    EnableDOMAutomation();
-  }
+  FileSystemBrowserTest() {}
 
   GURL testUrl(const FilePath& file_path) {
     const FilePath kTestDir(FILE_PATH_LITERAL("fileapi"));