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

android_webview/native/aw_web_contents_delegate.cc

Index: android_webview/native/aw_web_contents_delegate.cc
diff --git a/android_webview/native/aw_web_contents_delegate.cc b/android_webview/native/aw_web_contents_delegate.cc
index 73021281e067b482292ed45f64d697085dc0ba96..e2195c481320493f648f232c9354359c381b853f 100644
--- a/android_webview/native/aw_web_contents_delegate.cc
+++ b/android_webview/native/aw_web_contents_delegate.cc
@@ -4,6 +4,12 @@
 
 #include "android_webview/native/aw_web_contents_delegate.h"
 
+#include "android_webview/browser/find_helper.h"
+#include "android_webview/native/aw_contents.h"
+#include "content/public/browser/web_contents.h"
+
+using content::WebContents;
+
 namespace android_webview {
 
 AwWebContentsDelegate::AwWebContentsDelegate(
@@ -15,4 +21,20 @@ AwWebContentsDelegate::AwWebContentsDelegate(
 AwWebContentsDelegate::~AwWebContentsDelegate() {
 }
 
+void AwWebContentsDelegate::FindReply(WebContents* web_contents,
+                                      int request_id,
+                                      int number_of_matches,
+                                      const gfx::Rect& selection_rect,
+                                      int active_match_ordinal,
+                                      bool final_update) {
+  AwContents* aw_contents = AwContents::FromWebContents(web_contents);
+  if (!aw_contents)
+    return;
+
+  aw_contents->GetFindHelper()->HandleFindReply(request_id,
+                                                number_of_matches,
+                                                active_match_ordinal,
+                                                final_update);
+}
+
 }  // namespace android_webview