Move simple methods [T-Z] from WebGraphicsContext3D to GLES2Interface.

third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp

Index: third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp b/third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp
index 7645e289bef0e78efb74aa1f86bbdcca289275db..bd921b84d70448877fde1fb7d60c543d551f12e2 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp
+++ b/third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp
@@ -81,7 +81,7 @@ void WebGLDrawBuffers::drawBuffersWEBGL(const Vector<GLenum>& buffers)
         }
         // Because the backbuffer is simulated on all current WebKit ports, we need to change BACK to COLOR_ATTACHMENT0.
         GLenum value = (bufs[0] == GL_BACK) ? GL_COLOR_ATTACHMENT0 : GL_NONE;
-        scoped.context()->webContext()->drawBuffersEXT(1, &value);
+        scoped.context()->contextGL()->DrawBuffersEXT(1, &value);
         scoped.context()->setBackDrawBuffer(bufs[0]);
     } else {
         if (n > scoped.context()->maxDrawBuffers()) {
@@ -126,13 +126,13 @@ bool WebGLDrawBuffers::satisfiesWebGLRequirements(WebGLRenderingContextBase* web
     if (supportsDepthStencil) {
         depthStencil = context->createTexture();
         gl->BindTexture(GL_TEXTURE_2D, depthStencil);
-        context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_STENCIL_OES, 1, 1, 0, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, buffer);
+        gl->TexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_STENCIL_OES, 1, 1, 0, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, buffer);
     }
     Platform3DObject depth = 0;
     if (supportsDepth) {
         depth = context->createTexture();
         gl->BindTexture(GL_TEXTURE_2D, depth);
-        context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 1, 1, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buffer);
+        gl->TexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 1, 1, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buffer);
     }
 
     Vector<Platform3DObject> colors;
@@ -142,7 +142,7 @@ bool WebGLDrawBuffers::satisfiesWebGLRequirements(WebGLRenderingContextBase* web
         Platform3DObject color = context->createTexture();
         colors.append(color);
         gl->BindTexture(GL_TEXTURE_2D, color);
-        context->texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+        gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
         gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, color, 0);
         if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
             ok = false;