Fix code style violation in compiler/preprocessor

BUG=angle:650
TEST=no behavior change

Change-Id: Ib52f15f6471fc7897b66d11baee11216cf08158a
Reviewed-on: https://chromium-review.googlesource.com/199591
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Zhenyao Mo <zmo@chromium.org>
diff --git a/src/compiler/preprocessor/ExpressionParser.h b/src/compiler/preprocessor/ExpressionParser.h
index 092d059..f040cb0 100644
--- a/src/compiler/preprocessor/ExpressionParser.h
+++ b/src/compiler/preprocessor/ExpressionParser.h
@@ -19,15 +19,15 @@
 class ExpressionParser
 {
   public:
-    ExpressionParser(Lexer* lexer, Diagnostics* diagnostics);
+    ExpressionParser(Lexer *lexer, Diagnostics *diagnostics);
 
-    bool parse(Token* token, int* result);
+    bool parse(Token *token, int *result);
 
   private:
     PP_DISALLOW_COPY_AND_ASSIGN(ExpressionParser);
 
-    Lexer* mLexer;
-    Diagnostics* mDiagnostics;
+    Lexer *mLexer;
+    Diagnostics *mDiagnostics;
 };
 
 }  // namespace pp