Recognize that ES3 supports texture storage. Add workaround for apparent Adreno bug.

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/22856006

git-svn-id: http://skia.googlecode.com/svn/trunk@10845 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index 5dacd2d..d69f5c7 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -290,7 +290,7 @@
                 return false;
             }
         }
-    } else if (extensions.has("GL_EXT_texture_storage")) {
+    } else if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_EXT_texture_storage")) {
         if (NULL == fTexStorage2D) {
             return false;
         }