Remove getError() and synthesizeGLError() from WebGraphicsContext3D.

third_party/WebKit/Source/modules/webgl/WebGLProgram.h

Index: third_party/WebKit/Source/modules/webgl/WebGLProgram.h
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLProgram.h b/third_party/WebKit/Source/modules/webgl/WebGLProgram.h
index 960389a06b6b84d4d5dcb06e3c1e2ecce04eec8f..1d588bccc5473b99ef729d5f00d246ca750d79c6 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLProgram.h
+++ b/third_party/WebKit/Source/modules/webgl/WebGLProgram.h
@@ -40,12 +40,7 @@ public:
 
     static WebGLProgram* create(WebGLRenderingContextBase*);
 
-    unsigned numActiveAttribLocations();
-    GLint getActiveAttribLocation(GLuint index);
-
-    bool isUsingVertexAttrib0();
-
-    bool linkStatus();
+    bool linkStatus(WebGLRenderingContextBase*);
 
     unsigned linkCount() const { return m_linkCount; }
 
@@ -73,10 +68,7 @@ protected:
 private:
     bool isProgram() const override { return true; }
 
-    void cacheActiveAttribLocations(WebGraphicsContext3D*, gpu::gles2::GLES2Interface*);
-    void cacheInfoIfNeeded();
-
-    Vector<GLint> m_activeAttribLocations;
+    void cacheInfoIfNeeded(WebGLRenderingContextBase*);
 
     GLint m_linkStatus;