Convert Web Speech Synthesis API over to Mojo

https://chromium-review.googlesource.com/c/chromium/src/+/1717595

chromium_src/BUILD.gn

@@ -135,10 +135,6 @@ static_library("chrome") {
     sources += [
       "//chrome/browser/speech/tts_controller_delegate_impl.cc",
       "//chrome/browser/speech/tts_controller_delegate_impl.h",
-      "//chrome/browser/speech/tts_message_filter.cc",
-      "//chrome/browser/speech/tts_message_filter.h",
-      "//chrome/renderer/tts_dispatcher.cc",
-      "//chrome/renderer/tts_dispatcher.h",
     ]
   }
 

shell/browser/atom_browser_client.cc

@@ -111,7 +111,6 @@
 
 #if BUILDFLAG(ENABLE_TTS)
 #include "chrome/browser/speech/tts_controller_delegate_impl.h"
-#include "chrome/browser/speech/tts_message_filter.h"
 #endif  // BUILDFLAG(ENABLE_TTS)
 
 #if BUILDFLAG(ENABLE_PRINTING)
@@ -353,10 +352,6 @@ void AtomBrowserClient::RenderProcessWillLaunch(
       process_id, host->GetBrowserContext()));
 #endif
 
-#if BUILDFLAG(ENABLE_TTS)
-  host->AddFilter(new TtsMessageFilter(host->GetBrowserContext()));
-#endif
-
   ProcessPreferences prefs;
   auto* web_preferences =
       WebContentsPreferences::From(GetWebContentsFromProcessID(process_id));

shell/renderer/renderer_client_base.cc

@@ -54,10 +54,6 @@
 #include "chrome/renderer/pepper/pepper_helper.h"
 #endif  // BUILDFLAG(ENABLE_PEPPER_FLASH)
 
-#if BUILDFLAG(ENABLE_TTS)
-#include "chrome/renderer/tts_dispatcher.h"
-#endif  // BUILDFLAG(ENABLE_TTS)
-
 #if BUILDFLAG(ENABLE_PRINTING)
 #include "components/printing/renderer/print_render_frame_helper.h"
 #include "printing/print_settings.h"
@@ -273,16 +269,6 @@ void RendererClientBase::DidClearWindowObject(
   render_frame->GetWebFrame()->ExecuteScript(blink::WebScriptSource("void 0"));
 }
 
-std::unique_ptr<blink::WebSpeechSynthesizer>
-RendererClientBase::OverrideSpeechSynthesizer(
-    blink::WebSpeechSynthesizerClient* client) {
-#if BUILDFLAG(ENABLE_TTS)
-  return std::make_unique<TtsDispatcher>(client);
-#else
-  return nullptr;
-#endif
-}
-
 bool RendererClientBase::OverrideCreatePlugin(
     content::RenderFrame* render_frame,
     const blink::WebPluginParams& params,

shell/renderer/renderer_client_base.h

@@ -72,8 +72,6 @@ class RendererClientBase : public content::ContentRendererClient {
   // content::ContentRendererClient:
   void RenderThreadStarted() override;
   void RenderFrameCreated(content::RenderFrame*) override;
-  std::unique_ptr<blink::WebSpeechSynthesizer> OverrideSpeechSynthesizer(
-      blink::WebSpeechSynthesizerClient* client) override;
   bool OverrideCreatePlugin(content::RenderFrame* render_frame,
                             const blink::WebPluginParams& params,
                             blink::WebPlugin** plugin) override;