[Media Router] Moves mojo-specific code into mojo/ folder

chrome/browser/media/router/media_router_metrics.h

Index: chrome/browser/media/router/media_router_metrics.h
diff --git a/chrome/browser/media/router/media_router_metrics.h b/chrome/browser/media/router/media_router_metrics.h
index a7c9e17f0603e27d960afbcd41452291c8dbc5a4..5d513479735f891c9339b8050496f47f1092d3ef 100644
--- a/chrome/browser/media/router/media_router_metrics.h
+++ b/chrome/browser/media/router/media_router_metrics.h
@@ -8,22 +8,15 @@
 #include "base/gtest_prod_util.h"
 #include "base/time/time.h"
 
-namespace base {
-class Version;
-}  // namespace base
-
-#if !defined(OS_ANDROID)
-namespace extensions {
-class Extension;
-}  // namespace extensions
-#endif  // !defined(OS_ANDROID)
-
 namespace media_router {
 
 // NOTE: Do not renumber enums as that would confuse interpretation of
 // previously logged data. When making changes, also update the enum list
 // in tools/metrics/histograms/histograms.xml to keep it in sync.
 
+// NOTE: For metrics specific to the Media Router component extension, see
+// mojo/media_router_mojo_metrics.h.
+
 // Where the user clicked to open the Media Router dialog.
 enum class MediaRouterDialogOpenOrigin {
   TOOLBAR = 0,
@@ -58,56 +51,6 @@ enum class MediaRouterUserAction {
   TOTAL_COUNT = 5
 };
 
-#if !defined(OS_ANDROID)
-// Why the Media Route Provider process was woken up.
-enum class MediaRouteProviderWakeReason {
-  CREATE_ROUTE = 0,
-  JOIN_ROUTE = 1,
-  TERMINATE_ROUTE = 2,
-  SEND_SESSION_MESSAGE = 3,
-  SEND_SESSION_BINARY_MESSAGE = 4,
-  DETACH_ROUTE = 5,
-  START_OBSERVING_MEDIA_SINKS = 6,
-  STOP_OBSERVING_MEDIA_SINKS = 7,
-  START_OBSERVING_MEDIA_ROUTES = 8,
-  STOP_OBSERVING_MEDIA_ROUTES = 9,
-  LISTEN_FOR_ROUTE_MESSAGES = 10,
-  STOP_LISTENING_FOR_ROUTE_MESSAGES = 11,
-  CONNECTION_ERROR = 12,
-  REGISTER_MEDIA_ROUTE_PROVIDER = 13,
-  CONNECT_ROUTE_BY_ROUTE_ID = 14,
-  ENABLE_MDNS_DISCOVERY = 15,
-
-  // NOTE: Add entries only immediately above this line.
-  TOTAL_COUNT = 16
-};
-
-// The install status of the Media Router component extension.
-enum class MediaRouteProviderVersion {
-  // Installed but version is invalid or cannot be determined.
-  UNKNOWN = 0,
-  // Installed and the extension version matches the browser version.
-  SAME_VERSION_AS_CHROME = 1,
-  // Installed and the extension version is one version behind the browser
-  // version.
-  ONE_VERSION_BEHIND_CHROME = 2,
-  // Installed and the extension version is more than one version behind the
-  // browser version.
-  MULTIPLE_VERSIONS_BEHIND_CHROME = 3,
-  // Note: Add entries only immediately above this line.
-  TOTAL_COUNT = 4
-};
-
-// The outcome of an attempt to wake the Media Router component event page.
-enum class MediaRouteProviderWakeup {
-  SUCCESS = 0,
-  ERROR_UNKNOWN = 1,
-  ERROR_TOO_MANY_RETRIES = 2,
-  // Note: Add entries only immediately above this line.
-  TOTAL_COUNT = 3
-};
-#endif  // !defined(OS_ANDROID)
-
 class MediaRouterMetrics {
  public:
   // Records where the user clicked to open the Media Router dialog.
@@ -132,29 +75,6 @@ class MediaRouterMetrics {
   // Records the outcome in a create route response.
   static void RecordRouteCreationOutcome(
       MediaRouterRouteCreationOutcome outcome);
-
-#if !defined(OS_ANDROID)
-  // Records the installed version of the Media Router component extension.
-  static void RecordMediaRouteProviderVersion(
-      const extensions::Extension& extension);
-
-  // Records why the media route provider extension was woken up.
-  static void RecordMediaRouteProviderWakeReason(
-      MediaRouteProviderWakeReason reason);
-
-  // Records the outcome of an attempt to wake the Media Router component event
-  // page.
-  static void RecordMediaRouteProviderWakeup(MediaRouteProviderWakeup wakeup);
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(MediaRouteProviderMetricsTest,
-                           TestGetMediaRouteProviderVersion);
-
-  // Returns the version status of the Media Router component extension.
-  static MediaRouteProviderVersion GetMediaRouteProviderVersion(
-      const base::Version& extension_version,
-      const base::Version& browser_version);
-#endif  // !defined(OS_ANDROID)
 };
 
 }  // namespace media_router