Move SetJavaScriptFlags() from webkit to content.

content/shell/renderer/shell_render_process_observer.cc

Index: content/shell/renderer/shell_render_process_observer.cc
diff --git a/content/shell/renderer/shell_render_process_observer.cc b/content/shell/renderer/shell_render_process_observer.cc
index 7c332a7884867862e773dcdf2609f3aa61485cb0..0c89a9424edf81aace4bc58372899589756d9831 100644
--- a/content/shell/renderer/shell_render_process_observer.cc
+++ b/content/shell/renderer/shell_render_process_observer.cc
@@ -16,7 +16,6 @@
 #include "content/shell/renderer/webkit_test_runner.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebView.h"
-#include "webkit/glue/webkit_glue.h"
 
 using blink::WebFrame;
 using blink::WebRuntimeFeatures;
@@ -65,9 +64,6 @@ void ShellRenderProcessObserver::WebKitInitialized() {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return;
 
-  // We always expose GC to layout tests.
-  webkit_glue::SetJavaScriptFlags(" --expose-gc");
-
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
     switches::kStableReleaseMode)) {
     WebRuntimeFeatures::enableTestOnlyFeatures(true);