Remove build flags for dynamic patching (flutter/engine#9394)

engine/src/flutter/common/config.gni

@@ -15,7 +15,7 @@ if (target_cpu == "arm" || target_cpu == "arm64") {
 }
 
 declare_args() {
-  # The runtime mode ("debug", "profile", "release", "dynamic_profile", or "dynamic_release")
+  # The runtime mode ("debug", "profile", or "release")
   flutter_runtime_mode = "debug"
 }
 
@@ -25,8 +25,6 @@ feature_defines_list = [
   "FLUTTER_RUNTIME_MODE_DEBUG=1",
   "FLUTTER_RUNTIME_MODE_PROFILE=2",
   "FLUTTER_RUNTIME_MODE_RELEASE=3",
-  "FLUTTER_RUNTIME_MODE_DYNAMIC_PROFILE=4",
-  "FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE=5",
 ]
 
 if (flutter_runtime_mode == "debug") {
@@ -35,10 +33,6 @@ if (flutter_runtime_mode == "debug") {
   feature_defines_list += [ "FLUTTER_RUNTIME_MODE=2" ]
 } else if (flutter_runtime_mode == "release") {
   feature_defines_list += [ "FLUTTER_RUNTIME_MODE=3" ]
-} else if (flutter_runtime_mode == "dynamic_profile") {
-  feature_defines_list += [ "FLUTTER_RUNTIME_MODE=4" ]
-} else if (flutter_runtime_mode == "dynamic_release") {
-  feature_defines_list += [ "FLUTTER_RUNTIME_MODE=5" ]
 } else {
   feature_defines_list += [ "FLUTTER_RUNTIME_MODE=0" ]
 }

engine/src/flutter/runtime/BUILD.gn

@@ -85,8 +85,7 @@ source_set("runtime") {
 
   public_configs = [ "$flutter_root:config" ]
 
-  if (flutter_runtime_mode != "release" &&
-      flutter_runtime_mode != "dynamic_release" && !is_fuchsia) {
+  if (flutter_runtime_mode != "release" && !is_fuchsia) {
     # Only link in Observatory in non-release modes on non-Fuchsia. Fuchsia
     # instead puts Observatory into the runner's package.
     deps += [

engine/src/flutter/runtime/dart_vm.cc

@@ -37,8 +37,7 @@
 namespace dart {
 namespace observatory {
 
-#if !OS_FUCHSIA && (FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE) && \
-    (FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE)
+#if !OS_FUCHSIA && (FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE)
 
 // These two symbols are defined in |observatory_archive.cc| which is generated
 // by the |//third_party/dart/runtime/observatory:archive_observatory| rule.
@@ -48,8 +47,7 @@ extern unsigned int observatory_assets_archive_len;
 extern const uint8_t* observatory_assets_archive;
 
 #endif  // !OS_FUCHSIA && (FLUTTER_RUNTIME_MODE !=
-        // FLUTTER_RUNTIME_MODE_RELEASE) && (FLUTTER_RUNTIME_MODE !=
-        // FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE)
+        // FLUTTER_RUNTIME_MODE_RELEASE)
 
 }  // namespace observatory
 }  // namespace dart
@@ -143,8 +141,7 @@ bool DartFileModifiedCallback(const char* source_url, int64_t since_ms) {
 void ThreadExitCallback() {}
 
 Dart_Handle GetVMServiceAssetsArchiveCallback() {
-#if (FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_RELEASE) || \
-    (FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE)
+#if (FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_RELEASE)
   return nullptr;
 #elif OS_FUCHSIA
   fml::UniqueFD fd = fml::OpenFile("pkg/data/observatory.tar", false,
@@ -303,11 +300,6 @@ DartVM::DartVM(std::shared_ptr<const DartVMData> vm_data,
   // precompiled code only in the debug product mode.
   bool enable_asserts = !settings_.disable_dart_asserts;
 
-#if FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_DYNAMIC_PROFILE || \
-    FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
-  enable_asserts = false;
-#endif
-
 #if !OS_FUCHSIA
   if (IsRunningPrecompiledCode()) {
     enable_asserts = false;

engine/src/flutter/shell/common/shell_unittests.cc

@@ -222,8 +222,7 @@ TEST_F(ShellTest, BlacklistedDartVMFlag) {
       fml::CommandLine::Option("dart-flags", "--verify_after_gc")};
   fml::CommandLine command_line("", options, std::vector<std::string>());
 
-#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE && \
-    FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
+#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE
   // Upon encountering a non-whitelisted Dart flag the process terminates.
   const char* expected =
       "Encountered blacklisted Dart VM flag: --verify_after_gc";
@@ -241,8 +240,7 @@ TEST_F(ShellTest, WhitelistedDartVMFlag) {
   fml::CommandLine command_line("", options, std::vector<std::string>());
   flutter::Settings settings = flutter::SettingsFromCommandLine(command_line);
 
-#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE && \
-    FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
+#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE
   EXPECT_EQ(settings.dart_flags.size(), 2u);
   EXPECT_EQ(settings.dart_flags[0], "--max_profile_depth 1");
   EXPECT_EQ(settings.dart_flags[1], "--random_seed 42");

engine/src/flutter/shell/common/switches.cc

@@ -37,8 +37,7 @@ struct SwitchDesc {
 #define DEF_SWITCHES_END };
 // clang-format on
 
-#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE && \
-    FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
+#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE
 
 // List of common and safe VM flags to allow to be passed directly to the VM.
 // clang-format off
@@ -118,8 +117,7 @@ const fml::StringView FlagForSwitch(Switch swtch) {
   return fml::StringView();
 }
 
-#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE && \
-    FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
+#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE
 
 static bool IsWhitelistedDartVMFlag(const std::string& flag) {
   for (uint32_t i = 0; i < fml::size(gDartFlagsWhitelist); ++i) {
@@ -294,8 +292,7 @@ Settings SettingsFromCommandLine(const fml::CommandLine& command_line) {
   settings.use_test_fonts =
       command_line.HasOption(FlagForSwitch(Switch::UseTestFonts));
 
-#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE && \
-    FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_DYNAMIC_RELEASE
+#if FLUTTER_RUNTIME_MODE != FLUTTER_RUNTIME_MODE_RELEASE
   command_line.GetOptionValue(FlagForSwitch(Switch::LogTag), &settings.log_tag);
   std::string all_dart_flags;
   if (command_line.GetOptionValue(FlagForSwitch(Switch::DartFlags),