Implement web speech synthesis.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 44e58f5487dd9b546ecff4591258efe5789be19f..7c7d41a2e720c39a5ce67e48b3b67d90d307f7ed 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -112,6 +112,7 @@
 #include "content/renderer/renderer_webcolorchooser_impl.h"
 #include "content/renderer/speech_recognition_dispatcher.h"
 #include "content/renderer/text_input_client_observer.h"
+#include "content/renderer/tts_dispatcher.h"
 #include "content/renderer/v8_value_converter_impl.h"
 #include "content/renderer/web_ui_extension.h"
 #include "content/renderer/web_ui_extension_data.h"
@@ -633,6 +634,7 @@ RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
       geolocation_dispatcher_(NULL),
       input_tag_speech_dispatcher_(NULL),
       speech_recognition_dispatcher_(NULL),
+      tts_dispatcher_(NULL),
       device_orientation_dispatcher_(NULL),
       media_stream_dispatcher_(NULL),
       browser_plugin_manager_(NULL),
@@ -6423,6 +6425,14 @@ WebKit::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
   return speech_recognition_dispatcher_;
 }
 
+WebKit::WebSpeechSynthesis* RenderViewImpl::speechSynthesis() {
+//#if defined(ENABLE_SPEECH_SYNTHESIS)

[tommi (sloooow) - chröme, 2013/03/07 13:04:46]

uncomment or remove?

[dmazzoni, 2013/03/19 17:30:22]

Done.

+  if (!tts_dispatcher_)
+    tts_dispatcher_ = new TtsDispatcher(this);
+//#endif
+  return tts_dispatcher_;
+}
+
 WebKit::WebDeviceOrientationClient* RenderViewImpl::deviceOrientationClient() {
   if (!device_orientation_dispatcher_)
     device_orientation_dispatcher_ = new DeviceOrientationDispatcher(this);