Add --flx flag to load FLX files

Also, remove the --snapshot flag because using FLX files is the path we're
paving.

sky/services/engine/sky_engine.mojom

@@ -43,7 +43,6 @@ interface SkyEngine {
 
   RunFromFile(string main, string package_root);
   RunFromPrecompiledSnapshot(string path);
-  RunFromSnapshot(string path);
   RunFromBundle(string path);
 
   RunFromAssetBundle(string url, mojo.asset_bundle.AssetBundle bundle);

sky/shell/platform/android/org/domokit/sky/shell/SkyActivity.java

@@ -117,11 +117,6 @@ public class SkyActivity extends Activity {
             return;
         }
         File dataDir = new File(PathUtils.getDataDirectory(this));
-        File snapshot = new File(dataDir, SkyApplication.SNAPSHOT);
-        if (snapshot.exists()) {
-            mView.getEngine().runFromSnapshot(snapshot.getPath());
-            return;
-        }
         File appBundle = new File(dataDir, SkyApplication.APP_BUNDLE);
         if (appBundle.exists()) {
             mView.getEngine().runFromBundle(appBundle.getPath());

sky/shell/platform/android/org/domokit/sky/shell/SkyApplication.java

@@ -32,13 +32,12 @@ import org.domokit.vsync.VSyncProviderImpl;
  * state and initializations.
  */
 public class SkyApplication extends BaseChromiumApplication {
-    static final String SNAPSHOT = "snapshot_blob.bin";
     static final String APP_BUNDLE = "app.flx";
     static final String MANIFEST = "flutter.yaml";
 
     private static final String TAG = "SkyApplication";
     private static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "sky_shell";
-    private static final String[] SKY_RESOURCES = {"icudtl.dat", SNAPSHOT, APP_BUNDLE, MANIFEST};
+    private static final String[] SKY_RESOURCES = {"icudtl.dat", APP_BUNDLE, MANIFEST};
 
     private ResourceExtractor mResourceExtractor;
 

sky/shell/platform/mac/sky_window.mm

@@ -87,9 +87,9 @@ static inline pointer::PointerType EventTypeFromNSEventPhase(NSEventPhase phase)
 
   base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
 
-  if (command_line.HasSwitch(sky::shell::switches::kSnapshot)) {
-    auto snapshot = command_line.GetSwitchValueASCII(sky::shell::switches::kSnapshot);
-    _sky_engine->RunFromSnapshot(snapshot);
+  std::string flx = command_line.GetSwitchValueASCII(sky::shell::switches::kFLX);
+  if (!flx.empty()) {
+    _sky_engine->RunFromBundle(flx);
     return;
   }
 

sky/shell/switches.cc

@@ -11,17 +11,17 @@ namespace shell {
 namespace switches {
 
 const char kEnableCheckedMode[] = "enable-checked-mode";
+const char kFLX[] = "flx";
 const char kHelp[] = "help";
 const char kNonInteractive[] = "non-interactive";
 const char kPackageRoot[] = "package-root";
-const char kSnapshot[] = "snapshot";
 
 void PrintUsage(const std::string& executable_name) {
   std::cerr << "Usage: " << executable_name
             << " --" << kEnableCheckedMode
             << " --" << kNonInteractive
+            << " --" << kFLX << "=FLX"
             << " --" << kPackageRoot << "=PACKAGE_ROOT"
-            << " --" << kSnapshot << "=SNAPSHOT"
             << " [ MAIN_DART ]" << std::endl;
 }
 

sky/shell/switches.h

@@ -11,11 +11,11 @@ namespace sky {
 namespace shell {
 namespace switches {
 
+extern const char kEnableCheckedMode[];
+extern const char kFLX[];
 extern const char kHelp[];
-extern const char kPackageRoot[];
 extern const char kNonInteractive[];
-extern const char kSnapshot[];
-extern const char kEnableCheckedMode[];
+extern const char kPackageRoot[];
 
 void PrintUsage(const std::string& executable_name);
 

sky/shell/testing/test_runner.cc

@@ -43,10 +43,7 @@ TestRunner& TestRunner::Shared() {
 }
 
 void TestRunner::Run(const TestDescriptor& test) {
-  if (test.is_snapshot)
-    sky_engine_->RunFromSnapshot(test.path);
-  else
-    sky_engine_->RunFromFile(test.path, test.package_root);
+  sky_engine_->RunFromFile(test.path, test.package_root);
 }
 
 }  // namespace shell

sky/shell/testing/test_runner.h

@@ -24,7 +24,6 @@ class TestRunner {
   struct TestDescriptor {
     std::string path;
     std::string package_root;
-    bool is_snapshot = false;
   };
 
   void Run(const TestDescriptor& test);

sky/shell/testing/testing.cc

@@ -19,16 +19,10 @@ bool InitForTesting() {
 
   TestRunner::TestDescriptor test;
   test.package_root = command_line.GetSwitchValueASCII(switches::kPackageRoot);
-
-  if (command_line.HasSwitch(switches::kSnapshot)) {
-    test.path = command_line.GetSwitchValueASCII(switches::kSnapshot);
-    test.is_snapshot = true;
-  } else {
-    auto args = command_line.GetArgs();
-    if (args.empty())
-      return false;
-    test.path = args[0];
-  }
+  auto args = command_line.GetArgs();
+  if (args.empty())
+    return false;
+  test.path = args[0];
 
   TestRunner::Shared().Run(test);
   return true;

sky/shell/ui/engine.cc

@@ -200,11 +200,6 @@ void Engine::RunFromFile(const mojo::String& main,
   RunFromLibrary(main);
 }
 
-void Engine::RunFromSnapshot(const mojo::String& path) {
-  std::string path_str = path;
-  RunFromSnapshotStream(path_str, Fetch(base::FilePath(path_str)));
-}
-
 void Engine::RunFromBundle(const mojo::String& path) {
   AssetUnpackerJob* unpacker = new AssetUnpackerJob(
       mojo::GetProxy(&root_bundle_), base::WorkerPool::GetTaskRunner(true));

sky/shell/ui/engine.h

@@ -66,7 +66,6 @@ class Engine : public UIDelegate,
   void RunFromFile(const mojo::String& main,
                    const mojo::String& package_root) override;
   void RunFromPrecompiledSnapshot(const mojo::String& bundle_path) override;
-  void RunFromSnapshot(const mojo::String& path) override;
   void RunFromBundle(const mojo::String& path) override;
   void RunFromAssetBundle(const mojo::String& url,
                           mojo::asset_bundle::AssetBundlePtr bundle) override;