[mac] Let cmd-e write the selection into the find pasteboard.

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 6847563270c08aa04293661e094a801cb09fe56a..82539ad3fa5d3ca00dff440c7ac90c943e0a5819 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -349,6 +349,7 @@ void RenderView::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_Redo, OnRedo)
     IPC_MESSAGE_HANDLER(ViewMsg_Cut, OnCut)
     IPC_MESSAGE_HANDLER(ViewMsg_Copy, OnCopy)
+    IPC_MESSAGE_HANDLER(ViewMsg_CopyToFindPboard, OnCopyToFindPboard)
     IPC_MESSAGE_HANDLER(ViewMsg_Paste, OnPaste)
     IPC_MESSAGE_HANDLER(ViewMsg_Replace, OnReplace)
     IPC_MESSAGE_HANDLER(ViewMsg_ToggleSpellPanel, OnToggleSpellPanel)
@@ -823,6 +824,22 @@ void RenderView::OnCopy() {
   UserMetricsRecordAction(L"Copy");
 }
 
+void RenderView::OnCopyToFindPboard() {
+  if (!webview())
+    return;
+
+  // Since the find pasteboard supports only plain text, this can be simpler
+  // than the |OnCopy()| case.
+  WebFrame* frame = webview()->GetFocusedFrame();
+  if (frame->hasSelection()) {
+    string16 selection = frame->selectionAsText();
+    RenderThread::current()->Send(
+        new ViewHostMsg_ClipboardFindPboardWriteStringAsync(selection));
+  }
+
+  UserMetricsRecordAction(L"CopyToFindPboard");
+}
+
 void RenderView::OnPaste() {
   if (!webview())
     return;