Strip comments from shader before checking for invalid characters

gpu/command_buffer/service/shader_manager_unittest.cc

Index: gpu/command_buffer/service/shader_manager_unittest.cc
diff --git a/gpu/command_buffer/service/shader_manager_unittest.cc b/gpu/command_buffer/service/shader_manager_unittest.cc
index f927e269790382c6dbda7a21bd66f3572f036c65..30f87d7d48ebc3d28c31d3133e8011d8728e1370 100644
--- a/gpu/command_buffer/service/shader_manager_unittest.cc
+++ b/gpu/command_buffer/service/shader_manager_unittest.cc
@@ -245,6 +245,27 @@ TEST_F(ShaderManagerTest, ShaderInfoUseCount) {
   EXPECT_TRUE(info2 == NULL);
 }
 
+TEST_F(ShaderManagerTest, StripComments) {
+  const char* kSource = ""
+      "// this is a single line comment\n"
+      "this is not a comment\n"
+      "/* this is\n"
+      "a multi line\n"
+      "comment */\n"
+      "this is not a comment\n"
+      "this is an /* inline */ comment";
+  const char* kExpected = ""
+      " \n"
+      "this is not a comment\n"
+      "/*\n"
+      "\n"
+      "*/\n"
+      "this is not a comment\n"
+      "this is an /**/ comment";
+  std::string actual = ShaderManager::StripComments(kSource);
+  EXPECT_STREQ(kExpected, actual.c_str());
+}
+
 }  // namespace gles2
 }  // namespace gpu