Rip out CSAA support

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/23882009

git-svn-id: http://skia.googlecode.com/svn/trunk/include@11138 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/gl/GrGLFunctions.h b/gpu/gl/GrGLFunctions.h
index b949d1d..4908f14 100644
--- a/gpu/gl/GrGLFunctions.h
+++ b/gpu/gl/GrGLFunctions.h
@@ -129,7 +129,6 @@
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadPixelsProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageProc)(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleProc)(GrGLenum target, GrGLsizei samples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
-    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleCoverageProc)(GrGLenum target, GrGLsizei coverageSamples, GrGLsizei colorSamples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLResolveMultisampleFramebufferProc)();
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
 #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
diff --git a/gpu/gl/GrGLInterface.h b/gpu/gl/GrGLInterface.h
index de1b291..b4d3f79 100644
--- a/gpu/gl/GrGLInterface.h
+++ b/gpu/gl/GrGLInterface.h
@@ -254,7 +254,6 @@
     //  the standard function in ES3+ or GL 3.0+.
     GLPtr<GrGLRenderbufferStorageMultisampleProc> fRenderbufferStorageMultisample;
 
-    GLPtr<GrGLRenderbufferStorageMultisampleCoverageProc> fRenderbufferStorageMultisampleCoverage;
     GLPtr<GrGLResolveMultisampleFramebufferProc> fResolveMultisampleFramebuffer;
     GLPtr<GrGLScissorProc> fScissor;
     GLPtr<GrGLShaderSourceProc> fShaderSource;
diff --git a/utils/SkWGL.h b/utils/SkWGL.h
index 3d94174..6803e03 100644
--- a/utils/SkWGL.h
+++ b/utils/SkWGL.h
@@ -43,8 +43,6 @@
 #define SK_WGL_FULL_ACCELERATION                    0x2027
 #define SK_WGL_SAMPLE_BUFFERS                       0x2041
 #define SK_WGL_SAMPLES                              0x2042
-#define SK_WGL_COVERAGE_SAMPLES                     0x2042 /* same as SAMPLES */
-#define SK_WGL_COLOR_SAMPLES                        0x20B9
 #define SK_WGL_CONTEXT_MAJOR_VERSION                0x2091
 #define SK_WGL_CONTEXT_MINOR_VERSION                0x2092
 #define SK_WGL_CONTEXT_LAYER_PLANE                  0x2093