Index: chrome/browser/predictors/resource_prefetch_common.h |
diff --git a/chrome/browser/predictors/resource_prefetch_common.h b/chrome/browser/predictors/resource_prefetch_common.h |
index c4303271a43cbb4084bb740c0b521a388ec9436d..1ff7de3a3413b4d7d56161fec4aefa00f76c564e 100644 |
--- a/chrome/browser/predictors/resource_prefetch_common.h |
+++ b/chrome/browser/predictors/resource_prefetch_common.h |
@@ -20,6 +20,12 @@ class WebContents; |
namespace predictors { |
+namespace internal { |
+ |
+bool IsPrefetchingEnabledInternal(Profile* profile, int mode, int mask); |
+ |
+} // namespace internal |
+ |
extern const char kSpeculativeResourcePrefetchingFeatureName[]; |
extern const char kModeParamName[]; |
extern const char kLearningMode[]; |
@@ -30,13 +36,12 @@ extern const char kEnableManifestsParamName[]; |
extern const char kEnableOriginLearningParamName[]; |
extern const base::Feature kSpeculativeResourcePrefetchingFeature; |
-struct ResourcePrefetchPredictorConfig; |
+struct GlowplugPredictorConfig; |
-// Returns true if prefetching is enabled. And will initilize the |config| |
-// fields to the appropritate values. |
-bool IsSpeculativeResourcePrefetchingEnabled( |
- Profile* profile, |
- ResourcePrefetchPredictorConfig* config); |
+// Returns true if prefetching is enabled, and initializes |config|, if not |
+// nullptr. |
+bool IsSpeculativeResourcePrefetchingEnabled(Profile* profile, |
+ GlowplugPredictorConfig* config); |
// Represents the type of key based on which prefetch data is stored. |
enum PrefetchKeyType { |
@@ -44,9 +49,6 @@ enum PrefetchKeyType { |
PREFETCH_KEY_TYPE_URL |
}; |
-// Indicates what caused the prefetch request. |
-enum class PrefetchOrigin { NAVIGATION, EXTERNAL }; |
- |
// Represents a single navigation for a render frame. |
struct NavigationID { |
NavigationID(); |
@@ -71,75 +73,6 @@ struct NavigationID { |
base::TimeTicks creation_time; |
}; |
-// Represents the config for the resource prefetch prediction algorithm. |
-struct ResourcePrefetchPredictorConfig { |
- // Initializes the config with default values. |
- ResourcePrefetchPredictorConfig(); |
- ResourcePrefetchPredictorConfig(const ResourcePrefetchPredictorConfig& other); |
- ~ResourcePrefetchPredictorConfig(); |
- |
- // The mode the prefetcher is running in. Forms a bit map. |
- enum Mode { |
- LEARNING = 1 << 0, |
- PREFETCHING_FOR_NAVIGATION = 1 << 2, // Should also turn on LEARNING. |
- PREFETCHING_FOR_EXTERNAL = 1 << 3 // Should also turn on LEARNING. |
- }; |
- int mode; |
- |
- // Helpers to deal with mode. |
- bool IsLearningEnabled() const; |
- bool IsPrefetchingEnabledForSomeOrigin(Profile* profile) const; |
- bool IsPrefetchingEnabledForOrigin(Profile* profile, |
- PrefetchOrigin origin) const; |
- |
- bool IsLowConfidenceForTest() const; |
- bool IsHighConfidenceForTest() const; |
- bool IsMoreResourcesEnabledForTest() const; |
- bool IsSmallDBEnabledForTest() const; |
- |
- // If a navigation hasn't seen a load complete event in this much time, it |
- // is considered abandoned. |
- size_t max_navigation_lifetime_seconds; |
- |
- // Size of LRU caches for the URL and host data. |
- size_t max_urls_to_track; |
- size_t max_hosts_to_track; |
- |
- // The number of times we should have seen a visit to this URL in history |
- // to start tracking it. This is to ensure we don't bother with oneoff |
- // entries. For hosts we track each one. |
- size_t min_url_visit_count; |
- |
- // The maximum number of resources to store per entry. |
- size_t max_resources_per_entry; |
- // The maximum number of origins to store per entry. |
- size_t max_origins_per_entry; |
- // The number of consecutive misses after which we stop tracking a resource |
- // URL. |
- size_t max_consecutive_misses; |
- // The number of consecutive misses after which we stop tracking a redirect |
- // endpoint. |
- size_t max_redirect_consecutive_misses; |
- |
- // The minimum confidence (accuracy of hits) required for a resource to be |
- // prefetched. |
- float min_resource_confidence_to_trigger_prefetch; |
- // The minimum number of times we must have a URL on record to prefetch it. |
- size_t min_resource_hits_to_trigger_prefetch; |
- |
- // Maximum number of prefetches that can be inflight for a single navigation. |
- size_t max_prefetches_inflight_per_navigation; |
- // Maximum number of prefetches that can be inflight for a host for a single |
- // navigation. |
- size_t max_prefetches_inflight_per_host_per_navigation; |
- // True iff the predictor could use a url-based database. |
- bool is_url_learning_enabled; |
- // True iff the predictor could use manifests. |
- bool is_manifests_enabled; |
- // True iff origin-based learning is enabled. |
- bool is_origin_learning_enabled; |
-}; |
- |
} // namespace predictors |
#endif // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ |