Add a WebDocument::watchCssSelectors(selectors)

Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp

Index: Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp
diff --git a/Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp b/Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp
index c4c2037e7bd7d2b0e388090577827933dbe5dc39..c17c74d3732f1f8221a0097be3062a008e70203c 100644
--- a/Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp
+++ b/Source/WebKit/chromium/src/FrameLoaderClientImpl.cpp
@@ -84,6 +84,7 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebMimeRegistry.h"
 #include "public/platform/WebSocketStreamHandle.h"
+#include "public/platform/WebThread.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebVector.h"
@@ -616,6 +617,13 @@ void FrameLoaderClientImpl::didDetectXSS(const KURL& insecureURL, bool didBlockE
         m_webFrame->client()->didDetectXSS(m_webFrame, insecureURL, didBlockEntirePage);
 }
 
+void FrameLoaderClientImpl::selectorMatchChanged(const Vector<String>& addedSelectors, const Vector<String>& removedSelectors)
+{
+    if (m_webFrame->client()) {
+        m_webFrame->client()->didMatchCss(m_webFrame, WebVector<WebString>(addedSelectors), WebVector<WebString>(removedSelectors));
+    }
+}
+
 ResourceError FrameLoaderClientImpl::cancelledError(const ResourceRequest& request)
 {
     if (!m_webFrame->client())