[Translate] Migrate IPCs to Mojo interfaces.

chrome/browser/translate/chrome_translate_client.cc

Index: chrome/browser/translate/chrome_translate_client.cc
diff --git a/chrome/browser/translate/chrome_translate_client.cc b/chrome/browser/translate/chrome_translate_client.cc
index 6bf702d1fce2d69070b1485488969f93add3ee60..24b1aeb738a227ae1dca48138272d34092131221 100644
--- a/chrome/browser/translate/chrome_translate_client.cc
+++ b/chrome/browser/translate/chrome_translate_client.cc
@@ -25,7 +25,6 @@
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
-#include "components/translate/content/common/translate_messages.h"
 #include "components/translate/core/browser/language_state.h"
 #include "components/translate/core/browser/page_translated_details.h"
 #include "components/translate/core/browser/translate_accept_languages.h"
@@ -138,6 +137,27 @@ void ChromeTranslateClient::GetTranslateLanguages(
       translate::TranslateManager::GetTargetLanguage(translate_prefs.get());
 }
 
+// static
+void ChromeTranslateClient::BindContentTranslateDriver(
+    content::RenderFrameHost* render_frame_host,
+    translate::mojom::ContentTranslateDriverRequest request) {
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host);
+  if (!web_contents)
+    return;
+
+  ChromeTranslateClient* instance =
+      ChromeTranslateClient::FromWebContents(web_contents);
+  // We try to bind to the driver, but if driver is not ready for now or totally
+  // not available for this render frame host, the request will be just dropped.
+  // This would cause the message pipe to be closed, which will raise a
+  // connection error on the peer side.
+  if (!instance)
+    return;
+
+  instance->translate_driver().BindRequest(std::move(request));
+}
+
 translate::TranslateManager* ChromeTranslateClient::GetTranslateManager() {
   return translate_manager_.get();
 }