Fix more symbol exports and a compile failure for the component build of

content/browser/speech/speech_input_manager.cc

Index: content/browser/speech/speech_input_manager.cc
diff --git a/content/browser/speech/speech_input_manager.cc b/content/browser/speech/speech_input_manager.cc
index d115c89eff05dc9861e3223b998e8f22dd7ac62c..c247bb6f752a110df4efacd9bbc461c38fb911c4 100644
--- a/content/browser/speech/speech_input_manager.cc
+++ b/content/browser/speech/speech_input_manager.cc
@@ -184,4 +184,12 @@ void SpeechInputManager::OnFocusChanged(int caller_id) {
   }
 }
 
+SpeechInputManager::SpeechInputRequest::SpeechInputRequest()
+    : delegate(NULL),
+      is_active(false) {
+}
+
+SpeechInputManager::SpeechInputRequest::~SpeechInputRequest() {
+}
+
 }  // namespace speech_input