[Android] Upstream the WebView find-in-page API implementation.

android_webview/native/aw_web_contents_delegate.h

Index: android_webview/native/aw_web_contents_delegate.h
diff --git a/android_webview/native/aw_web_contents_delegate.h b/android_webview/native/aw_web_contents_delegate.h
index add2052acf4b32f8a08d979fe7c25871c03dea9d..2879c475134f3ef86f47091ee4074be7a54fa4b6 100644
--- a/android_webview/native/aw_web_contents_delegate.h
+++ b/android_webview/native/aw_web_contents_delegate.h
@@ -9,6 +9,10 @@
 
 #include "chrome/browser/component/web_contents_delegate_android/web_contents_delegate_android.h"
 
+namespace gfx {
+class Rect;
+}
+
 namespace android_webview {
 
 // WebView specific WebContentsDelegate.
@@ -19,6 +23,13 @@ class AwWebContentsDelegate
  public:
   AwWebContentsDelegate(JNIEnv* env, jobject obj);
   virtual ~AwWebContentsDelegate();
+
+  virtual void FindReply(content::WebContents* web_contents,
+                         int request_id,
+                         int number_of_matches,
+                         const gfx::Rect& selection_rect,
+                         int active_match_ordinal,
+                         bool final_update) OVERRIDE;
 };
 
 }  // namespace android_webview