Split most of RenderViewTest and associated classes into content.

content/test/render_widget_browsertest.h

Index: content/test/render_widget_browsertest.h
diff --git a/content/test/render_widget_browsertest.h b/content/test/render_widget_browsertest.h
index c3e0defc3ea6e87506a6e9668a2c99525cc4a2e2..41c7bb4dd921edb63906107b7d5f06ffc15d5bf1 100644
--- a/content/test/render_widget_browsertest.h
+++ b/content/test/render_widget_browsertest.h
@@ -8,7 +8,7 @@
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
-#include "chrome/test/base/render_view_test.h"
+#include "content/test/render_view_test.h"
 
 namespace gfx {
 class Size;
@@ -17,7 +17,7 @@ class Size;
 class SkBitmap;
 class TransportDIB;
 
-class RenderWidgetTest : public RenderViewTest {
+class RenderWidgetTest : public content::RenderViewTest {
  public:
   RenderWidgetTest();