dart2js: Don't emit additional precompiled file.

R=johnniwinther@google.com, rnystrom@google.com

Committed: https://code.google.com/p/dart/source/detail?r=41657
Reverted: https://code.google.com/p/dart/source/detail?r=41659

Review URL: https://codereview.chromium.org//700123002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41711 260f80e4-7a28-3924-810f-c04153c831b5

test/build/copies_browser_js_next_to_entrypoints_test.dart

@@ -37,7 +37,7 @@ main() {
     pubGet();
 
     schedulePub(args: ["build", "foo", "web"],
-        output: new RegExp(r'Built 16 files to "build".'));
+        output: new RegExp(r'Built 12 files to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [

test/build/copies_browser_js_with_dependency_override_test.dart

@@ -36,7 +36,7 @@ main() {
     pubGet();
 
     schedulePub(args: ["build", "--all"],
-        output: new RegExp(r'Built 4 files to "build".'));
+        output: new RegExp(r'Built 3 files to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [

test/build/copies_browser_js_with_dev_dependency_test.dart

@@ -36,7 +36,7 @@ main() {
     pubGet();
 
     schedulePub(args: ["build", "--all"],
-        output: new RegExp(r'Built 4 files to "build".'));
+        output: new RegExp(r'Built 3 files to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [

test/build/outputs_results_to_json_test.dart

@@ -26,7 +26,7 @@ main() {
         outputJson: {
           'buildResult': 'success',
           'outputDirectory': 'build',
-          'numFiles': 2,
+          'numFiles': 1,
           'log': [
             {
               'level': 'Info',

test/dart2js/compiles_entrypoints_in_root_package_test.dart

@@ -40,7 +40,7 @@ main() {
     ]).create();
 
     schedulePub(args: ["build", "benchmark", "foo", "web"],
-        output: new RegExp(r'Built 12 files to "build".'));
+        output: new RegExp(r'Built 6 files to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [

test/dart2js/omits_source_map_in_release_test.dart

@@ -16,7 +16,7 @@ main() {
     ]).create();
 
     schedulePub(args: ["build"],
-        output: new RegExp(r'Built 2 files to "build".'),
+        output: new RegExp(r'Built 1 file to "build".'),
         exitCode: 0);
 
     d.dir(appPath, [

test/dart2js/outputs_deferred_libraries_test.dart

@@ -50,7 +50,7 @@ main() {
     ]).create();
 
     schedulePub(args: ["build"],
-        output: new RegExp(r'Built 4 files to "build".'));
+        output: new RegExp(r'Built 3 files to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [

test/dart2js/supports_configuration_with_build_test.dart

@@ -68,7 +68,7 @@ main() {
     pubGet();
 
     schedulePub(args: ["build"],
-        output: new RegExp(r'Built 4 files to "build".'),
+        output: new RegExp(r'Built 3 files to "build".'),
         exitCode: 0);
 
     d.dir(appPath, [