[chrome.cast.channel] Remove event logging.

extensions/browser/api/cast_channel/cast_channel_api.cc

Index: extensions/browser/api/cast_channel/cast_channel_api.cc
diff --git a/extensions/browser/api/cast_channel/cast_channel_api.cc b/extensions/browser/api/cast_channel/cast_channel_api.cc
index b8fd3b2b64e75a17da811befc06427924d633d79..29e111cfac9675874cf936beba886b3ed4632e9a 100644
--- a/extensions/browser/api/cast_channel/cast_channel_api.cc
+++ b/extensions/browser/api/cast_channel/cast_channel_api.cc
@@ -16,7 +16,6 @@
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/time/default_clock.h"
 #include "base/values.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/api/cast_channel/cast_message_util.h"
@@ -109,9 +108,7 @@ bool IsValidConnectInfoIpAddress(const ConnectInfo& connect_info) {
 }  // namespace
 
 CastChannelAPI::CastChannelAPI(content::BrowserContext* context)
-    : browser_context_(context),
-      logger_(new Logger(base::WrapUnique<base::Clock>(new base::DefaultClock),
-                         base::Time::UnixEpoch())) {
+    : browser_context_(context), logger_(new Logger()) {
   DCHECK(browser_context_);
 }
 
@@ -320,7 +317,6 @@ void CastChannelOpenFunction::AsyncWorkStart() {
                                         : CastDeviceCapability::NONE);
   }
   new_channel_id_ = AddSocket(socket);
-  api_->GetLogger()->LogNewSocketEvent(*socket);
 
   // Construct read delegates.
   std::unique_ptr<api::cast_channel::CastTransport::Delegate> delegate(
@@ -342,7 +338,6 @@ void CastChannelOpenFunction::AsyncWorkStart() {
     delegate.reset(keep_alive);
   }
 
-  api_->GetLogger()->LogNewSocketEvent(*socket);
   socket->Connect(std::move(delegate),
                   base::Bind(&CastChannelOpenFunction::OnOpen, this));
 }
@@ -425,6 +420,11 @@ CastChannelCloseFunction::CastChannelCloseFunction() { }
 
 CastChannelCloseFunction::~CastChannelCloseFunction() { }
 
+bool CastChannelCloseFunction::PrePrepare() {
+  api_ = CastChannelAPI::Get(browser_context());
+  return CastChannelAsyncApiFunction::PrePrepare();
+}
+
 bool CastChannelCloseFunction::Prepare() {
   params_ = Close::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params_.get());
@@ -454,41 +454,11 @@ void CastChannelCloseFunction::OnClose(int result) {
     SetResultFromSocket(*socket);
     // This will delete |socket|.
     RemoveSocket(channel_id);
+    api_->GetLogger()->ClearLastErrors(channel_id);
   }
   AsyncWorkCompleted();
 }
 
-CastChannelGetLogsFunction::CastChannelGetLogsFunction() {
-}
-
-CastChannelGetLogsFunction::~CastChannelGetLogsFunction() {
-}
-
-bool CastChannelGetLogsFunction::PrePrepare() {
-  api_ = CastChannelAPI::Get(browser_context());
-  return CastChannelAsyncApiFunction::PrePrepare();
-}
-
-bool CastChannelGetLogsFunction::Prepare() {
-  return true;
-}
-
-void CastChannelGetLogsFunction::AsyncWorkStart() {
-  DCHECK(api_);
-
-  size_t length = 0;
-  std::unique_ptr<char[]> out = api_->GetLogger()->GetLogs(&length);
-  if (out.get()) {
-    SetResult(base::MakeUnique<base::BinaryValue>(std::move(out), length));
-  } else {
-    SetError("Unable to get logs.");
-  }
-
-  api_->GetLogger()->Reset();
-
-  AsyncWorkCompleted();
-}
-
 CastChannelOpenFunction::CastMessageHandler::CastMessageHandler(
     const EventDispatchCallback& ui_dispatch_cb,
     cast_channel::CastSocket* socket,
@@ -547,20 +517,4 @@ void CastChannelOpenFunction::CastMessageHandler::OnMessage(
 void CastChannelOpenFunction::CastMessageHandler::Start() {
 }
 
-CastChannelSetAuthorityKeysFunction::CastChannelSetAuthorityKeysFunction() {
-}
-
-CastChannelSetAuthorityKeysFunction::~CastChannelSetAuthorityKeysFunction() {
-}
-
-bool CastChannelSetAuthorityKeysFunction::Prepare() {
-  return true;
-}
-
-void CastChannelSetAuthorityKeysFunction::AsyncWorkStart() {
-  // TODO(eroman): crbug.com/601171: Delete this once the API is
-  // removed. It is currently a no-op.
-  AsyncWorkCompleted();
-}
-
 }  // namespace extensions