Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/shell/browser/shell_javascript_dialog_manager.cc

Index: content/shell/browser/shell_javascript_dialog_manager.cc
diff --git a/content/shell/browser/shell_javascript_dialog_manager.cc b/content/shell/browser/shell_javascript_dialog_manager.cc
index 7f3b678ea7f47784e6e1c16dab09cd4e828e2016..ef284e264c8abec15a27c22d73d06442b4edf141 100644
--- a/content/shell/browser/shell_javascript_dialog_manager.cc
+++ b/content/shell/browser/shell_javascript_dialog_manager.cc
@@ -43,7 +43,7 @@ void ShellJavaScriptDialogManager::RunJavaScriptDialog(
     return;
   }
 
-#if defined(OS_MACOSX) || defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_MACOSX) || defined(OS_WIN)
   *did_suppress_message = false;
 
   if (dialog_) {
@@ -88,7 +88,7 @@ void ShellJavaScriptDialogManager::RunBeforeUnloadDialog(
     return;
   }
 
-#if defined(OS_MACOSX) || defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_MACOSX) || defined(OS_WIN)
   if (dialog_) {
     // Seriously!?
     callback.Run(true, base::string16());
@@ -117,7 +117,7 @@ void ShellJavaScriptDialogManager::RunBeforeUnloadDialog(
 
 void ShellJavaScriptDialogManager::CancelActiveAndPendingDialogs(
     WebContents* web_contents) {
-#if defined(OS_MACOSX) || defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_MACOSX) || defined(OS_WIN)
   if (dialog_) {
     dialog_->Cancel();
     dialog_.reset();
@@ -132,7 +132,7 @@ void ShellJavaScriptDialogManager::WebContentsDestroyed(
 }
 
 void ShellJavaScriptDialogManager::DialogClosed(ShellJavaScriptDialog* dialog) {
-#if defined(OS_MACOSX) || defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_MACOSX) || defined(OS_WIN)
   DCHECK_EQ(dialog, dialog_.get());
   dialog_.reset();
 #else