Componentize HistoryDatabase

components/history/core/browser/BUILD.gn

Index: components/history/core/browser/BUILD.gn
diff --git a/components/history/core/browser/BUILD.gn b/components/history/core/browser/BUILD.gn
index a895c757856c3bd28191c4e510c76c957a097246..ef09bdca11aab2455325cb0c6fe58c4f1419e3e5 100644
--- a/components/history/core/browser/BUILD.gn
+++ b/components/history/core/browser/BUILD.gn
@@ -20,6 +20,10 @@ static_library("browser") {
     "history_constants.cc",
     "history_constants.h",
     "history_context.h",
+    "history_database.cc",
+    "history_database.h",
+    "history_database_params.cc",
+    "history_database_params.h",
     "history_db_task.h",
     "history_match.cc",
     "history_match.h",
@@ -68,6 +72,18 @@ static_library("browser") {
     "//ui/gfx",
     "//url",
   ]
+
+  if (is_android) {
+    sources += [
+      "android/android_cache_database.cc",
+      "android/android_cache_database.h",
+      "android/android_history_types.cc",
+      "android/android_history_types.h",
+      "android/android_time.h",
+      "android/android_urls_database.cc",
+      "android/android_urls_database.h",
+    ]
+  }
 }
 
 proto_library("proto") {