chrome: Cleanup class/struct forward declarations

chrome/browser/devtools/devtools_file_system_indexer.h

Index: chrome/browser/devtools/devtools_file_system_indexer.h
diff --git a/chrome/browser/devtools/devtools_file_system_indexer.h b/chrome/browser/devtools/devtools_file_system_indexer.h
index ade1bc815f1a5c2928c8cd3fb94d0b634c79c58c..c747467c740055aca91b10b40d614a439a245c7c 100644
--- a/chrome/browser/devtools/devtools_file_system_indexer.h
+++ b/chrome/browser/devtools/devtools_file_system_indexer.h
@@ -17,18 +17,12 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 
-class Profile;
-
 namespace base {
 class FilePath;
 class FileEnumerator;
 class Time;
 }
 
-namespace content {
-class WebContents;
-}
-
 class DevToolsFileSystemIndexer
     : public base::RefCountedThreadSafe<DevToolsFileSystemIndexer> {
  public: