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 NameAndValue {
+      const char* name;
+      events::HistogramValue value;
+    } names_and_values[] = {
+        {webview::kEventContextMenuShow,
+         events::CHROME_WEB_VIEW_INTERNAL_ON_CONTEXT_MENU_SHOW},
+        {api::extension_options_internal::OnClose::kEventName,
+         events::EXTENSION_OPTIONS_INTERNAL_ON_CLOSE},
+        {api::extension_options_internal::OnLoad::kEventName,
+         events::EXTENSION_OPTIONS_INTERNAL_ON_LOAD},
+        {api::extension_options_internal::OnPreferredSizeChanged::kEventName,
+         events::EXTENSION_OPTIONS_INTERNAL_ON_PREFERRED_SIZE_CHANGED},
+        {extensionview::kEventLoadCommit,
+         events::EXTENSION_VIEW_INTERNAL_ON_LOAD_COMMIT},
+        {guest_view::kEventResize, events::GUEST_VIEW_INTERNAL_ON_RESIZE},
+        {webview::kEventBeforeRequest,
+         events::WEB_VIEW_INTERNAL_ON_BEFORE_REQUEST},
+        {webview::kEventBeforeSendHeaders,
+         events::WEB_VIEW_INTERNAL_ON_BEFORE_SEND_HEADERS},
+        {webview::kEventClose, events::WEB_VIEW_INTERNAL_ON_CLOSE},
+        {webview::kEventCompleted, events::WEB_VIEW_INTERNAL_ON_COMPLETED},
+        {webview::kEventConsoleMessage,
+         events::WEB_VIEW_INTERNAL_ON_CONSOLE_MESSAGE},
+        {webview::kEventContentLoad, events::WEB_VIEW_INTERNAL_ON_CONTENT_LOAD},
+        {webview::kEventDialog, events::WEB_VIEW_INTERNAL_ON_DIALOG},
+        {webview::kEventDropLink, events::WEB_VIEW_INTERNAL_ON_DROP_LINK},
+        {webview::kEventExit, events::WEB_VIEW_INTERNAL_ON_EXIT},
+        {webview::kEventExitFullscreen,
+         events::WEB_VIEW_INTERNAL_ON_EXIT_FULLSCREEN},
+        {webview::kEventFindReply, events::WEB_VIEW_INTERNAL_ON_FIND_REPLY},
+        {webview::kEventHeadersReceived,
+         events::WEB_VIEW_INTERNAL_ON_HEADERS_RECEIVED},
+        {webview::kEventFrameNameChanged,
+         events::WEB_VIEW_INTERNAL_ON_FRAME_NAME_CHANGED},
+        {webview::kEventLoadAbort, events::WEB_VIEW_INTERNAL_ON_LOAD_ABORT},
+        {webview::kEventLoadCommit, events::WEB_VIEW_INTERNAL_ON_LOAD_COMMIT},
+        {webview::kEventLoadProgress,
+         events::WEB_VIEW_INTERNAL_ON_LOAD_PROGRESS},
+        {webview::kEventLoadRedirect,
+         events::WEB_VIEW_INTERNAL_ON_LOAD_REDIRECT},
+        {webview::kEventLoadStart, events::WEB_VIEW_INTERNAL_ON_LOAD_START},
+        {webview::kEventLoadStop, events::WEB_VIEW_INTERNAL_ON_LOAD_STOP},
+        {webview::kEventNewWindow, events::WEB_VIEW_INTERNAL_ON_NEW_WINDOW},
+        {webview::kEventPermissionRequest,
+         events::WEB_VIEW_INTERNAL_ON_PERMISSION_REQUEST},
+        {webview::kEventResponseStarted,
+         events::WEB_VIEW_INTERNAL_ON_RESPONSE_STARTED},
+        {webview::kEventResponsive, events::WEB_VIEW_INTERNAL_ON_RESPONSIVE},
+        {webview::kEventSizeChanged, events::WEB_VIEW_INTERNAL_ON_SIZE_CHANGED},
+        {webview::kEventUnresponsive,
+         events::WEB_VIEW_INTERNAL_ON_UNRESPONSIVE},
+        {webview::kEventZoomChange, events::WEB_VIEW_INTERNAL_ON_ZOOM_CHANGE},
+    };
+    for (const auto& name_and_value : names_and_values) {
+      values_[name_and_value.name] = name_and_value.value;
+    }
+  }
+
+  events::HistogramValue Get(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_;
+
+  DISALLOW_COPY_AND_ASSIGN(EventMap);
+};
+
+base::LazyInstance<EventMap> g_event_map = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+events::HistogramValue GetEventHistogramValue(const std::string& event_name) {
+  return g_event_map.Get().Get(event_name);
+}
+
+}  // namespace guest_view_events
+}  // namespace extensions