Enable "-Wredundant-parens".

BUILD.gn

@@ -141,6 +141,7 @@ config("extra_warnings") {
       "-Wfloat-conversion",
       "-Wmissing-field-initializers",
       "-Wnon-virtual-dtor",
+      "-Wredundant-parens",
       "-Wshadow-field",
       "-Wtautological-type-limit-compare",
       "-Wunneeded-internal-declaration",

src/compiler/translator/SymbolTable.h

@@ -64,7 +64,7 @@ struct UnmangledBuiltIn
 };
 
 using VarPointer        = TSymbol *(TSymbolTableBase::*);
-using ValidateExtension = int(ShBuiltInResources::*);
+using ValidateExtension = int ShBuiltInResources::*;
 
 enum class Spec
 {

src/libANGLE/Caps.cpp

@@ -749,20 +749,20 @@ void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps)
 const ExtensionInfoMap &GetExtensionInfoMap()
 {
     auto buildExtensionInfoMap = []() {
-        auto enableableExtension = [](ExtensionInfo::ExtensionBool member) {
+        auto enableableExtension = [](ExtensionBool member) {
             ExtensionInfo info;
             info.Requestable      = true;
             info.ExtensionsMember = member;
             return info;
         };
 
-        auto enableableDisablableExtension = [&](ExtensionInfo::ExtensionBool member) {
+        auto enableableDisablableExtension = [&](ExtensionBool member) {
             ExtensionInfo info = enableableExtension(member);
             info.Disablable    = true;
             return info;
         };
 
-        auto esOnlyExtension = [](ExtensionInfo::ExtensionBool member) {
+        auto esOnlyExtension = [](ExtensionBool member) {
             ExtensionInfo info;
             info.ExtensionsMember = member;
             return info;

src/libANGLE/Caps.h

@@ -543,6 +543,9 @@ struct Extensions
     bool baseVertexBaseInstance = false;
 };
 
+// Pointer to a boolean memeber of the Extensions struct
+using ExtensionBool = bool Extensions::*;
+
 struct ExtensionInfo
 {
     // If this extension can be enabled or disabled  with glRequestExtension
@@ -551,7 +554,6 @@ struct ExtensionInfo
     bool Disablable  = false;
 
     // Pointer to a boolean member of the Extensions struct
-    typedef bool(Extensions::*ExtensionBool);
     ExtensionBool ExtensionsMember = nullptr;
 };
 

src/libANGLE/formatutils.cpp

@@ -83,9 +83,6 @@ static bool RequireES(const Version &clientVersion, const Extensions &)
     return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion);
 }
 
-// Pointer to a boolean memeber of the Extensions struct
-typedef bool(Extensions::*ExtensionBool);
-
 // Check support for a single extension
 template <ExtensionBool bool1>
 static bool RequireExt(const Version &, const Extensions &extensions)