Implement find in page support for top level BrowserPlugins.

content/browser/browser_plugin/browser_plugin_embedder.h

Index: content/browser/browser_plugin/browser_plugin_embedder.h
diff --git a/content/browser/browser_plugin/browser_plugin_embedder.h b/content/browser/browser_plugin/browser_plugin_embedder.h
index 95ed9b87abc0cfea41af3eda7492ec2d0ec07cce..e6b0ee701ca7e5121e8ffb3975f010103e7c400c 100644
--- a/content/browser/browser_plugin/browser_plugin_embedder.h
+++ b/content/browser/browser_plugin/browser_plugin_embedder.h
@@ -70,6 +70,9 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
   // Used to handle special keyboard events.
   bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
+  bool Find(int request_id,
+            const base::string16& search_text,
+            const blink::WebFindOptions& options);
  private:
   explicit BrowserPluginEmbedder(WebContentsImpl* web_contents);
 
@@ -79,10 +82,13 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
 
   bool DidSendScreenRectsCallback(WebContents* guest_web_contents);
 
-  bool SetZoomLevelCallback(double level, WebContents* guest_web_contents);
-
   bool UnlockMouseIfNecessaryCallback(bool* mouse_unlocked, WebContents* guest);
 
+  bool FindInGuest(int request_id,
+                   const base::string16& search_text,
+                   const blink::WebFindOptions& options,
+                   WebContents* guest);
+
   // Message handlers.
   void OnAttach(int instance_id,
                 const BrowserPluginHostMsg_Attach_Params& params);