Bug 1543359 - P5. Use C++11 initializers. r=mattwoodrow

Differential Revision: https://phabricator.services.mozilla.com/D29642

--HG--
extra : moz-landing-system : lando

gfx/layers/ImageContainer.h

@@ -716,46 +716,28 @@ class AutoLockImage {
 
 struct PlanarYCbCrData {
   // Luminance buffer
-  uint8_t* mYChannel;
-  int32_t mYStride;
-  gfx::IntSize mYSize;
-  int32_t mYSkip;
+  uint8_t* mYChannel = nullptr;
+  int32_t mYStride = 0;
+  gfx::IntSize mYSize = gfx::IntSize(0, 0);
+  int32_t mYSkip = 0;
   // Chroma buffers
-  uint8_t* mCbChannel;
-  uint8_t* mCrChannel;
-  int32_t mCbCrStride;
-  gfx::IntSize mCbCrSize;
-  int32_t mCbSkip;
-  int32_t mCrSkip;
+  uint8_t* mCbChannel = nullptr;
+  uint8_t* mCrChannel = nullptr;
+  int32_t mCbCrStride = 0;
+  gfx::IntSize mCbCrSize = gfx::IntSize(0, 0);
+  int32_t mCbSkip = 0;
+  int32_t mCrSkip = 0;
   // Picture region
-  uint32_t mPicX;
-  uint32_t mPicY;
-  gfx::IntSize mPicSize;
-  StereoMode mStereoMode;
-  gfx::YUVColorSpace mYUVColorSpace;
-  gfx::ColorDepth mColorDepth;
+  uint32_t mPicX = 0;
+  uint32_t mPicY = 0;
+  gfx::IntSize mPicSize = gfx::IntSize(0, 0);
+  StereoMode mStereoMode = StereoMode::MONO;
+  gfx::ColorDepth mColorDepth = gfx::ColorDepth::COLOR_8;
+  gfx::YUVColorSpace mYUVColorSpace = gfx::YUVColorSpace::BT601;
 
   gfx::IntRect GetPictureRect() const {
     return gfx::IntRect(mPicX, mPicY, mPicSize.width, mPicSize.height);
   }
-
-  PlanarYCbCrData()
-      : mYChannel(nullptr),
-        mYStride(0),
-        mYSize(0, 0),
-        mYSkip(0),
-        mCbChannel(nullptr),
-        mCrChannel(nullptr),
-        mCbCrStride(0),
-        mCbCrSize(0, 0),
-        mCbSkip(0),
-        mCrSkip(0),
-        mPicX(0),
-        mPicY(0),
-        mPicSize(0, 0),
-        mStereoMode(StereoMode::MONO),
-        mYUVColorSpace(gfx::YUVColorSpace::BT601),
-        mColorDepth(gfx::ColorDepth::COLOR_8) {}
 };
 
 /****** Image subtypes for the different formats ******/