Add skia bindings for VertexAttrib[1f,2fv,3fv].

BUG=

Review URL: https://codereview.chromium.org/680903002

Cr-Commit-Position: refs/heads/master@{#301435}

gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc

@@ -115,6 +115,9 @@ GrGLInterface* CreateCommandBufferSkiaGLBinding() {
   functions->fUnmapBufferSubData = glUnmapBufferSubDataCHROMIUM;
   functions->fUnmapTexSubImage2D = glUnmapTexSubImage2DCHROMIUM;
   functions->fUseProgram = glUseProgram;
+  functions->fVertexAttrib1f = glVertexAttrib1f;
+  functions->fVertexAttrib2fv = glVertexAttrib2fv;
+  functions->fVertexAttrib3fv = glVertexAttrib3fv;
   functions->fVertexAttrib4fv = glVertexAttrib4fv;
   functions->fVertexAttribPointer = glVertexAttribPointer;
   functions->fViewport = glViewport;

ui/gl/gl_bindings_skia_in_process.cc

@@ -555,6 +555,18 @@ GLvoid StubGLUseProgram(GLuint program) {
   glUseProgram(program);
 }
 
+GLvoid StubGLVertexAttrib1f(GLuint indx, const GLfloat value) {
+  glVertexAttrib1f(indx, value);
+}
+
+GLvoid StubGLVertexAttrib2fv(GLuint indx, const GLfloat* values) {
+  glVertexAttrib2fv(indx, values);
+}
+
+GLvoid StubGLVertexAttrib3fv(GLuint indx, const GLfloat* values) {
+  glVertexAttrib3fv(indx, values);
+}
+
 GLvoid StubGLVertexAttrib4fv(GLuint indx, const GLfloat* values) {
   glVertexAttrib4fv(indx, values);
 }
@@ -708,6 +720,9 @@ GrGLInterface* CreateInProcessSkiaGLBinding() {
   functions->fUniformMatrix3fv = StubGLUniformMatrix3fv;
   functions->fUniformMatrix4fv = StubGLUniformMatrix4fv;
   functions->fUseProgram = StubGLUseProgram;
+  functions->fVertexAttrib1f = StubGLVertexAttrib1f;
+  functions->fVertexAttrib2fv = StubGLVertexAttrib2fv;
+  functions->fVertexAttrib3fv = StubGLVertexAttrib3fv;
   functions->fVertexAttrib4fv = StubGLVertexAttrib4fv;
   functions->fVertexAttribPointer = StubGLVertexAttribPointer;
   functions->fViewport = StubGLViewport;