Move setToolTipText related functions from RenderView to RenderWidget.

content/browser/renderer_host/render_view_host.cc

Index: content/browser/renderer_host/render_view_host.cc
diff --git a/content/browser/renderer_host/render_view_host.cc b/content/browser/renderer_host/render_view_host.cc
index 96eb779197adf1d95a319c8970562f077ba82f88..7f0b92be3287431759504b8cc1f35fce94a15f9f 100644
--- a/content/browser/renderer_host/render_view_host.cc
+++ b/content/browser/renderer_host/render_view_host.cc
@@ -652,7 +652,6 @@ bool RenderViewHost::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_OpenURL, OnMsgOpenURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidContentsPreferredSizeChange,
                         OnMsgDidContentsPreferredSizeChange)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnMsgSetTooltipText)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunJavaScriptMessage,
                                     OnMsgRunJavaScriptMessage)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunBeforeUnloadConfirm,
@@ -957,38 +956,6 @@ void RenderViewHost::OnMsgDidContentsPreferredSizeChange(
   view->UpdatePreferredSize(new_size);
 }
 
-void RenderViewHost::OnMsgSetTooltipText(
-    const std::wstring& tooltip_text,
-    WebTextDirection text_direction_hint) {
-  // First, add directionality marks around tooltip text if necessary.
-  // A naive solution would be to simply always wrap the text. However, on
-  // windows, Unicode directional embedding characters can't be displayed on
-  // systems that lack RTL fonts and are instead displayed as empty squares.
-  //
-  // To get around this we only wrap the string when we deem it necessary i.e.
-  // when the locale direction is different than the tooltip direction hint.
-  //
-  // Currently, we use element's directionality as the tooltip direction hint.
-  // An alternate solution would be to set the overall directionality based on
-  // trying to detect the directionality from the tooltip text rather than the
-  // element direction.  One could argue that would be a preferable solution
-  // but we use the current approach to match Fx & IE's behavior.
-  string16 wrapped_tooltip_text = WideToUTF16(tooltip_text);
-  if (!tooltip_text.empty()) {
-    if (text_direction_hint == WebKit::WebTextDirectionLeftToRight) {
-      // Force the tooltip to have LTR directionality.
-      wrapped_tooltip_text =
-          base::i18n::GetDisplayStringInLTRDirectionality(wrapped_tooltip_text);
-    } else if (text_direction_hint == WebKit::WebTextDirectionRightToLeft &&
-               !base::i18n::IsRTL()) {
-      // Force the tooltip to have RTL directionality.
-      base::i18n::WrapStringWithRTLFormatting(&wrapped_tooltip_text);
-    }
-  }
-  if (view())
-    view()->SetTooltipText(UTF16ToWide(wrapped_tooltip_text));
-}
-
 void RenderViewHost::OnMsgSelectionChanged(const std::string& text,
                                            const ui::Range& range) {
   if (view())