Revert of Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

chrome/renderer/searchbox/searchbox_extension.cc

Index: chrome/renderer/searchbox/searchbox_extension.cc
diff --git a/chrome/renderer/searchbox/searchbox_extension.cc b/chrome/renderer/searchbox/searchbox_extension.cc
index c687b063c6475597cf0a603eb8e1c135312f285b..5ff90824b7f1d4cafc606f35151b53875dd2a401 100644
--- a/chrome/renderer/searchbox/searchbox_extension.cc
+++ b/chrome/renderer/searchbox/searchbox_extension.cc
@@ -404,6 +404,17 @@
     "  true;"
     "}";
 
+static const char kDispatchToggleVoiceSearchScript[] =
+    "if (window.chrome &&"
+    "    window.chrome.embeddedSearch &&"
+    "    window.chrome.embeddedSearch.searchBox &&"
+    "    window.chrome.embeddedSearch.searchBox.ontogglevoicesearch &&"
+    "    typeof window.chrome.embeddedSearch.searchBox.ontogglevoicesearch =="
+    "         'function') {"
+    "  window.chrome.embeddedSearch.searchBox.ontogglevoicesearch();"
+    "  true;"
+    "}";
+
 // ----------------------------------------------------------------------------
 
 class SearchBoxExtensionWrapper : public v8::Extension {
@@ -503,6 +514,10 @@
 
   // Pastes provided value or clipboard's content into the omnibox.
   static void Paste(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  // Indicates whether the page supports voice search.
+  static void SetVoiceSearchSupported(
+      const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Start capturing user key strokes.
   static void StartCapturingKeyStrokes(
@@ -610,6 +625,12 @@
 // static
 void SearchBoxExtension::DispatchThemeChange(blink::WebFrame* frame) {
   Dispatch(frame, kDispatchThemeChangeEventScript);
+}
+
+// static
+void SearchBoxExtension::DispatchToggleVoiceSearch(
+    blink::WebFrame* frame) {
+  Dispatch(frame, kDispatchToggleVoiceSearchScript);
 }
 
 SearchBoxExtensionWrapper::SearchBoxExtensionWrapper(
@@ -671,6 +692,8 @@
     return v8::FunctionTemplate::New(isolate, NavigateContentWindow);
   if (name->Equals(v8::String::NewFromUtf8(isolate, "Paste")))
     return v8::FunctionTemplate::New(isolate, Paste);
+  if (name->Equals(v8::String::NewFromUtf8(isolate, "SetVoiceSearchSupported")))
+    return v8::FunctionTemplate::New(isolate, SetVoiceSearchSupported);
   if (name->Equals(
           v8::String::NewFromUtf8(isolate, "StartCapturingKeyStrokes")))
     return v8::FunctionTemplate::New(isolate, StartCapturingKeyStrokes);
@@ -1237,6 +1260,22 @@
 }
 
 // static
+void SearchBoxExtensionWrapper::SetVoiceSearchSupported(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  content::RenderView* render_view = GetRenderView();
+  if (!render_view) {
+    return;
+  }
+  if (!args.Length()) {
+    ThrowInvalidParameters(args);
+    return;
+  }
+
+  DVLOG(1) << render_view << " SetVoiceSearchSupported";
+  SearchBox::Get(render_view)->SetVoiceSearchSupported(args[0]->BooleanValue());
+}
+
+// static
 void SearchBoxExtensionWrapper::UndoAllMostVisitedDeletions(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   content::RenderView* render_view = GetRenderView();