Change analyzer_cli's "package mode" into a "build mode".

pkg/analyzer_cli/lib/src/driver.dart

Index: pkg/analyzer_cli/lib/src/driver.dart
diff --git a/pkg/analyzer_cli/lib/src/driver.dart b/pkg/analyzer_cli/lib/src/driver.dart
index eb1df03926c0f9552ab2a11ea80a0d64f631708a..b352abab876ef049189fafff9873fa30274f8d83 100644
--- a/pkg/analyzer_cli/lib/src/driver.dart
+++ b/pkg/analyzer_cli/lib/src/driver.dart
@@ -124,8 +124,8 @@ class Driver implements CommandLineStarter {
     _setupEnv(options);
 
     // Do analysis.
-    if (options.packageMode) {
-      ErrorSeverity severity = _analyzePackage(options);
+    if (options.buildMode) {
+      ErrorSeverity severity = _buildModeAnalyze(options);
       // In case of error propagate exit code.
       if (severity == ErrorSeverity.ERROR) {
         exitCode = severity.ordinal;
@@ -241,10 +241,10 @@ class Driver implements CommandLineStarter {
     return allResult;
   }
 
-  /// Perform package analysis according to the given [options].
-  ErrorSeverity _analyzePackage(CommandLineOptions options) {
+  /// Perform analysis in build mode according to the given [options].
+  ErrorSeverity _buildModeAnalyze(CommandLineOptions options) {
     return _analyzeAllTag.makeCurrentWhile(() {
-      return new PackageAnalyzer(options, stats).analyze();
+      return new BuildMode(options, stats).analyze();
     });
   }