Move SetJavaScriptFlags() from webkit to content.

content/test/layouttest_support.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/test/layouttest_support.h"
 
 #include "base/callback.h"
 #include "base/lazy_instance.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/image_transport_surface.h"
@@ skipping 74 matching lines @@
 void SetMockDeviceMotionData(const WebDeviceMotionData& data) {
   RendererWebKitPlatformSupportImpl::SetMockDeviceMotionDataForTesting(data);
 }
 
 void SetMockDeviceOrientationData(const WebDeviceOrientationData& data) {
   RendererWebKitPlatformSupportImpl::
       SetMockDeviceOrientationDataForTesting(data);
 }
 
 void EnableRendererLayoutTestMode() {
+  // We always expose GC to layout tests.
+  static const char expose_gc_flag[] = "--expose-gc";
+  v8::V8::SetFlagsFromString(expose_gc_flag, sizeof(expose_gc_flag) - 1);
+
   RenderThreadImpl::current()->set_layout_test_mode(true);
 }
 
 void EnableBrowserLayoutTestMode() {
 #if defined(OS_MACOSX)
   ImageTransportSurface::SetAllowOSMesaForTesting(true);
   PopupMenuHelper::DontShowPopupMenuForTesting();
 #endif
   RenderWidgetHostImpl::DisableResizeAckCheckForTesting();
 }
@@ skipping 41 matching lines @@
       DisableAutoResizeForTesting(new_size);
 }
 
 void UseMockMediaStreams(RenderView* render_view) {
   RenderViewImpl* render_view_impl = static_cast<RenderViewImpl*>(render_view);
   render_view_impl->SetMediaStreamClientForTesting(
       new TestMediaStreamClient(render_view_impl));
 }
 
 }  // namespace content