Add extension event histogram values for messaging, webRequest, and webview.

extensions/browser/guest_view/guest_view_events.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "extensions/browser/guest_view/guest_view_events.h"
+
+#include <map>
+
+#include "base/lazy_instance.h"
+#include "components/guest_view/common/guest_view_constants.h"
+#include "extensions/browser/guest_view/extension_options/extension_options_constants.h"
+#include "extensions/browser/guest_view/extension_view/extension_view_constants.h"
+#include "extensions/browser/guest_view/web_view/web_view_constants.h"
+#include "extensions/common/api/extension_options_internal.h"
+
+namespace extensions {
+namespace guest_view_events {
+
+namespace {
+
+class EventMap {
+ public:
+  EventMap() {
+    struct ValueAndName {
+      events::HistogramValue value;
+      const char* name;
+    } values_and_names[] = {
+        {events::CHROME_WEB_VIEW_INTERNAL_ON_CONTEXT_MENU_SHOW,
+         webview::kEventContextMenuShow},
+        {events::EXTENSION_OPTIONS_INTERNAL_ON_CLOSE,
+         api::extension_options_internal::OnClose::kEventName},
+        {events::EXTENSION_OPTIONS_INTERNAL_ON_LOAD,
+         api::extension_options_internal::OnLoad::kEventName},
+        {events::EXTENSION_VIEW_INTERNAL_ON_LOAD_COMMIT,
+         extensionview::kEventLoadCommit},
+        {events::GUEST_VIEW_INTERNAL_ON_RESIZE, guest_view::kEventResize},
+        {events::WEB_VIEW_INTERNAL_ON_BEFORE_REQUEST,
+         webview::kEventBeforeRequest},
+        {events::WEB_VIEW_INTERNAL_ON_BEFORE_SEND_HEADERS,
+         webview::kEventBeforeSendHeaders},
+        {events::WEB_VIEW_INTERNAL_ON_CLOSE, webview::kEventClose},
+        {events::WEB_VIEW_INTERNAL_ON_COMPLETED, webview::kEventCompleted},
+        {events::WEB_VIEW_INTERNAL_ON_CONSOLE_MESSAGE,
+         webview::kEventConsoleMessage},
+        {events::WEB_VIEW_INTERNAL_ON_CONTENT_LOAD, webview::kEventContentLoad},
+        {events::WEB_VIEW_INTERNAL_ON_DIALOG, webview::kEventDialog},
+        {events::WEB_VIEW_INTERNAL_ON_DROP_LINK, webview::kEventDropLink},
+        {events::WEB_VIEW_INTERNAL_ON_EXIT, webview::kEventExit},
+        {events::WEB_VIEW_INTERNAL_ON_EXIT_FULLSCREEN,
+         webview::kEventExitFullscreen},
+        {events::WEB_VIEW_INTERNAL_ON_FIND_REPLY, webview::kEventFindReply},
+        {events::WEB_VIEW_INTERNAL_ON_HEADERS_RECEIVED,
+         webview::kEventHeadersReceived},
+        {events::WEB_VIEW_INTERNAL_ON_FRAME_NAME_CHANGED,
+         webview::kEventFrameNameChanged},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_ABORT, webview::kEventLoadAbort},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_COMMIT, webview::kEventLoadCommit},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_PROGRESS,
+         webview::kEventLoadProgress},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_REDIRECT,
+         webview::kEventLoadRedirect},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_START, webview::kEventLoadStart},
+        {events::WEB_VIEW_INTERNAL_ON_LOAD_STOP, webview::kEventLoadStop},
+        {events::WEB_VIEW_INTERNAL_ON_NEW_WINDOW, webview::kEventNewWindow},
+        {events::WEB_VIEW_INTERNAL_ON_PERMISSION_REQUEST,
+         webview::kEventPermissionRequest},
+        {events::WEB_VIEW_INTERNAL_ON_RESPONSE_STARTED,
+         webview::kEventResponseStarted},
+        {events::WEB_VIEW_INTERNAL_ON_RESPONSIVE, webview::kEventResponsive},
+        {events::WEB_VIEW_INTERNAL_ON_SIZE_CHANGED, webview::kEventSizeChanged},
+        {events::WEB_VIEW_INTERNAL_ON_UNRESPONSIVE,
+         webview::kEventUnresponsive},
+        {events::WEB_VIEW_INTERNAL_ON_ZOOM_CHANGE, webview::kEventZoomChange},
+    };
+    for (const ValueAndName& value_and_name : values_and_names) {
+      values_[value_and_name.name] = value_and_name.value;
+    }
+  }
+
+  events::HistogramValue Find(const std::string& event_name) {
+    auto value = values_.find(event_name);
+    return value != values_.end() ? value->second : events::UNKNOWN;
+  }
+
+ private:
+  std::map<std::string, events::HistogramValue> values_;

[Devlin, 2015/08/05 21:34:09]

Do we not support map brace initialization?  It's in C++0x...

[not at google - send to devlin, 2015/08/07 20:55:03]

Neat! But sadly not allowed.

+};

[Devlin, 2015/08/05 21:34:09]

DISALLOW_COPY_AND_ASSIGN

[not at google - send to devlin, 2015/08/07 20:55:03]

Done.

+
+base::LazyInstance<EventMap> g_event_map = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+events::HistogramValue GetEventHistogramValue(const std::string& event_name) {
+  return g_event_map.Get().Find(event_name);
+}
+
+}  // namespace guest_view_events
+}  // namespace extensions