Turn on -Wall -Wextra on Mac, and fix all the warnings that crop up for /usr/bin/g++ and Clang 3.3.

src/gpu/GrDrawTargetCaps.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRefCnt.h"
 
 #ifndef GrDrawTargetCaps_DEFINED
 #define GrDrawTargetCaps_DEFINED
 
 /**
  * Represents the draw target capabilities.
  */
 class GrDrawTargetCaps : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(Caps)
 
     GrDrawTargetCaps() { this->reset(); }
-    GrDrawTargetCaps(const GrDrawTargetCaps& other) { *this = other; }
+    GrDrawTargetCaps(const GrDrawTargetCaps& other) : INHERITED() { *this = other; }
     GrDrawTargetCaps& operator= (const GrDrawTargetCaps&);
 
     virtual void reset();
     virtual void print() const;
 
     bool eightBitPaletteSupport() const { return f8BitPaletteSupport; }
     bool npotTextureTileSupport() const { return fNPOTTextureTileSupport; }
     bool twoSidedStencilSupport() const { return fTwoSidedStencilSupport; }
     bool stencilWrapOpsSupport() const { return  fStencilWrapOpsSupport; }
     bool hwAALineSupport() const { return fHWAALineSupport; }
@@ skipping 25 matching lines @@
     bool fReuseScratchTextures      : 1;
 
     int fMaxRenderTargetSize;
     int fMaxTextureSize;
     int fMaxSampleCount;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif