remove some unneeded REQUIRES from chardet

261029 r=jshin sr=bz

intl/chardet/src/Makefile.in

@@ -51,13 +51,10 @@ REQUIRES	= xpcom \
 		  uconv \
 		  unicharutil \
 		  webshell \
-		  docshell \
 		  htmlparser \
 		  necko \
 		  widget \
 		  content \
-		  dom \
-		  embedcomponents \
 		  $(NULL)
 
 CPPSRCS		= \

intl/chardet/src/nsMetaCharsetObserver.cpp

@@ -44,7 +44,6 @@
 #include "nsISupports.h"
 #include "nsCRT.h"
 #include "nsIParser.h"
-#include "nsIAppStartupNotifier.h"
 #include "pratom.h"
 #include "nsCharDetDll.h"
 #include "nsIServiceManager.h"

intl/chardet/src/nsObserverBase.cpp

@@ -39,12 +39,9 @@
 
 #include "nsIServiceManager.h"
 #include "nsIWebShellServices.h"
-#include "nsIContentViewerContainer.h"
 #include "nsObserverBase.h"
 #include "nsString.h"
-#include "nsIDocShell.h"
 #include "nsIHttpChannel.h"
-#include "nsXPIDLString.h"
 
 
 
@@ -58,22 +55,17 @@ NS_IMETHODIMP nsObserverBase::NotifyWebShell(nsISupports* aWebShell,
    nsresult rv  = NS_OK;
    nsresult res = NS_OK;
 
-   nsCOMPtr<nsIChannel> channel(do_QueryInterface(aChannel,&res));
-   if (NS_SUCCEEDED(res)) {
-     nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel,&res));
+   nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aChannel,&res));
    if (NS_SUCCEEDED(res)) {
      nsCAutoString method;
      httpChannel->GetRequestMethod(method);
-       if (method.Equals(NS_LITERAL_CSTRING("POST"), nsCaseInsensitiveCStringComparator())) {
+     if (method.EqualsLiteral("POST")) { // XXX What about PUT, etc?
        return NS_OK;
      }
    }
-   }
 
-   nsCOMPtr<nsIDocShell> docshell(do_QueryInterface(aWebShell,&res));
-   if (NS_SUCCEEDED(res)) {
    nsCOMPtr<nsIWebShellServices> wss;
-     wss = do_QueryInterface(docshell,&res);  // Query webshell service through docshell.
+   wss = do_QueryInterface(aWebShell,&res);
    if (NS_SUCCEEDED(res)) {
 
 #ifndef DONT_INFORM_WEBSHELL
@@ -94,7 +86,6 @@ NS_IMETHODIMP nsObserverBase::NotifyWebShell(nsISupports* aWebShell,
      }
 #endif
    }
-   }
 
    //if our reload request is not accepted, we should tell parser to go on
   if (rv != NS_ERROR_HTMLPARSER_STOPPARSING)