SetMainFrameMimeType   79 content/browser/frame_host/navigator_delegate.h   virtual void SetMainFrameMimeType(const std::string& mime_type) {}
SetMainFrameMimeType  447 content/browser/frame_host/navigator_impl.cc     delegate_->SetMainFrameMimeType(params.contents_mime_type);
SetMainFrameMimeType  465 content/browser/web_contents/web_contents_impl.h   virtual void SetMainFrameMimeType(const std::string& mime_type) OVERRIDE;