Update to Chromium revision 088f14a0 (#373530)

- Building on Windows now requires the Windows 10.0.10586 SDK.
- Remove CefParseCSSColor which was implemented using Blink code in the
  browser process. This is longer advisable now that the Oilpan GC is enabled.
- Avoid potential renderer process crashes by disabling script actions
  on the CefV8Context passed to CefRenderProcessHandler::OnContextReleased.

libcef/renderer/plugins/cef_plugin_placeholder.cc

@@ -22,6 +22,7 @@
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "gin/object_template_builder.h"
+#include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ -181,7 +182,7 @@ void CefPluginPlaceholder::PluginListChanged() {
   render_frame()->Send(
       new CefViewHostMsg_GetPluginInfo(routing_id(),
                                           GURL(GetPluginParams().url),
-                                          GURL(top_origin),
+                                          blink::WebStringToGURL(top_origin),
                                           mime_type,
                                           &output));
   if (output.status == status_)