Add support for byte and octet Web IDL types to the bindings generator

Source/core/html/canvas/DataView.idl

Index: Source/core/html/canvas/DataView.idl
diff --git a/Source/core/html/canvas/DataView.idl b/Source/core/html/canvas/DataView.idl
index c814a6b756b02b8031e4e53f52c339017e633333..5ff575df00b71832de3c1833d4b9bc36cd7dd3c7 100644
--- a/Source/core/html/canvas/DataView.idl
+++ b/Source/core/html/canvas/DataView.idl
@@ -30,11 +30,8 @@
 ] interface DataView : ArrayBufferView {
     // All these methods raise an exception if they would read or write beyond the end of the view.
 
-    // We have to use custom code because our code generator does not support int8_t type.
-    // int8_t getInt8(unsigned long byteOffset);
-    // uint8_t getUint8(unsigned long byteOffset);
-    [Custom, RaisesException] any getInt8();
-    [Custom, RaisesException] any getUint8();
+    [RaisesException] byte getInt8(unsigned long byteOffset);
+    [RaisesException] octet getUint8(unsigned long byteOffset);
 
     [StrictTypeChecking, RaisesException] short getInt16(unsigned long byteOffset, optional boolean littleEndian);
     [StrictTypeChecking, RaisesException] unsigned short getUint16(unsigned long byteOffset, optional boolean littleEndian);
@@ -45,11 +42,8 @@
     [StrictTypeChecking, RaisesException] float getFloat32(unsigned long byteOffset, optional boolean littleEndian);
     [StrictTypeChecking, RaisesException] double getFloat64(unsigned long byteOffset, optional boolean littleEndian);
 
-    // We have to use custom code because our code generator does not support uint8_t type.
-    // void setInt8(unsigned long byteOffset, int8_t value);
-    // void setUint8(unsigned long byteOffset, uint8_t value);
-    [Custom, RaisesException] void setInt8();
-    [Custom, RaisesException] void setUint8();
+    [RaisesException] void setInt8(unsigned long byteOffset, byte value);
+    [RaisesException] void setUint8(unsigned long byteOffset, octet value);
 
     [StrictTypeChecking, RaisesException] void setInt16(unsigned long byteOffset, short value, optional boolean littleEndian);
     [StrictTypeChecking, RaisesException] void setUint16(unsigned long byteOffset, unsigned short value, optional boolean littleEndian);