Remove all uses of "actual" formats.

BUG=angle:861

Change-Id: I7cd2d1a56772fdf18bcf926456399322d13e7a4f
Reviewed-on: https://chromium-review.googlesource.com/236305
Reviewed-by: Brandon Jones <bajones@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/Renderbuffer.cpp b/src/libANGLE/Renderbuffer.cpp
index ee6acc1..00d4768 100644
--- a/src/libANGLE/Renderbuffer.cpp
+++ b/src/libANGLE/Renderbuffer.cpp
@@ -25,7 +25,6 @@
     mWidth(0),
     mHeight(0),
     mInternalFormat(GL_RGBA4),
-    mActualFormat(GL_RGBA4),
     mSamples(0)
 {
     ASSERT(mRenderbuffer);
@@ -48,7 +47,6 @@
     mHeight = height;
     mInternalFormat = internalformat;
     mSamples = samples;
-    mActualFormat = mRenderbuffer->getActualFormat();
 
     return Error(GL_NO_ERROR);
 }
@@ -74,11 +72,6 @@
     return mInternalFormat;
 }
 
-GLenum Renderbuffer::getActualFormat() const
-{
-    return mActualFormat;
-}
-
 GLsizei Renderbuffer::getSamples() const
 {
     return mSamples;
@@ -86,32 +79,32 @@
 
 GLuint Renderbuffer::getRedSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).redBits;
+    return GetInternalFormatInfo(mInternalFormat).redBits;
 }
 
 GLuint Renderbuffer::getGreenSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).greenBits;
+    return GetInternalFormatInfo(mInternalFormat).greenBits;
 }
 
 GLuint Renderbuffer::getBlueSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).blueBits;
+    return GetInternalFormatInfo(mInternalFormat).blueBits;
 }
 
 GLuint Renderbuffer::getAlphaSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).alphaBits;
+    return GetInternalFormatInfo(mInternalFormat).alphaBits;
 }
 
 GLuint Renderbuffer::getDepthSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).depthBits;
+    return GetInternalFormatInfo(mInternalFormat).depthBits;
 }
 
 GLuint Renderbuffer::getStencilSize() const
 {
-    return GetInternalFormatInfo(getActualFormat()).stencilBits;
+    return GetInternalFormatInfo(mInternalFormat).stencilBits;
 }
 
 }