Webgl Info should have vendorid and deviceid of gpu.

Source/core/html/canvas/WebGLRenderingContext.cpp

Index: Source/core/html/canvas/WebGLRenderingContext.cpp
diff --git a/Source/core/html/canvas/WebGLRenderingContext.cpp b/Source/core/html/canvas/WebGLRenderingContext.cpp
index 52f7ae846eca77ec778acd8a596392ebbac0f4e1..5befaf17b698df3e7cb2cf17239aa738751c1aef 100644
--- a/Source/core/html/canvas/WebGLRenderingContext.cpp
+++ b/Source/core/html/canvas/WebGLRenderingContext.cpp
@@ -92,7 +92,9 @@ PassOwnPtrWillBeRawPtr<WebGLRenderingContext> WebGLRenderingContext::create(HTML
             statusMessage.append("Could not create a WebGL context. ");
             statusMessage.append(glInfo.contextInfoCollectionFailure);
         } else {
-            statusMessage.append("Could not create a WebGL context");
+            statusMessage.append("Could not create a WebGL context. ");
+            statusMessage.append("VendorId = " + String::number(glInfo.vendorId));
+            statusMessage.append(", DriverId = " + String::number(glInfo.deviceId));
             if (!glInfo.vendorInfo.isEmpty()) {
                 statusMessage.append(" VendorInfo = ");

[Ken Russell (switch to Gerrit), 2015/01/15 19:30:39]

Please add a leading comma here to keep the formatting consistent.

[sivag, 2015/01/29 05:49:36]

Done.

                 statusMessage.append(glInfo.vendorInfo);