Add support for DumpRenderTree to use the GPU rather than software renderer

BUG=68797
TEST=previous buildbots test old path, new buildbots will test the GPU path

Support for webkit side changes:
https://bugs.webkit.org/show_bug.cgi?id=52333

Review URL: http://codereview.chromium.org/6258001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71332 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 20 insertions, 0 deletions

diff --git a/webkit/support/webkit_support.cc b/webkit/support/webkit_support.cc
index 52a2a34..8a76c1f 100644
--- a/webkit/support/webkit_support.cc
+++ b/webkit/support/webkit_support.cc
@@ -4,6 +4,7 @@
 
 #include "webkit/support/webkit_support.h"
 
+#include "app/gfx/gl/gl_context.h"
 #include "app/gfx/gl/gl_implementation.h"
 #include "base/at_exit.h"
 #include "base/base64.h"
@@ -290,6 +291,19 @@ WebKit::WebString GetWebKitRootDir() {
   return WebKit::WebString::fromUTF8(WideToUTF8(path.ToWStringHack()).c_str());
 }
 
+void SetUpGLBindings(GLBindingPreferences bindingPref) {
+  switch(bindingPref) {
+    case GL_BINDING_DEFAULT:
+      gfx::GLContext::InitializeOneOff();
+      break;
+    case GL_BINDING_SOFTWARE_RENDERER:
+      gfx::InitializeGLBindings(gfx::kGLImplementationOSMesaGL);
+      break;
+    default:
+      NOTREACHED();
+  }
+}
+
 void RegisterMockedURL(const WebKit::WebURL& url,
                      const WebKit::WebURLResponse& response,
                      const WebKit::WebString& file_path) {
diff --git a/webkit/support/webkit_support.h b/webkit/support/webkit_support.h
index 9150e0a..7ee4809 100644
--- a/webkit/support/webkit_support.h
+++ b/webkit/support/webkit_support.h
@@ -75,6 +75,12 @@ WebKit::WebApplicationCacheHost* CreateApplicationCacheHost(
 // Returns the root directory of the WebKit code.
 WebKit::WebString GetWebKitRootDir();
 
+enum GLBindingPreferences {
+  GL_BINDING_DEFAULT,
+  GL_BINDING_SOFTWARE_RENDERER
+};
+void SetUpGLBindings(GLBindingPreferences);
+
 // ------- URL load mocking.
 // Registers the file at |file_path| to be served when |url| is requested.
 // |response| is the response provided with the contents.