Float formats are allowed for CopyTexImage with EXT_color_buffer_float

gpu/command_buffer/service/test_helper.cc

Index: gpu/command_buffer/service/test_helper.cc
diff --git a/gpu/command_buffer/service/test_helper.cc b/gpu/command_buffer/service/test_helper.cc
index 89224142d9d653ecc0d4fe50762c2d901dfeab8a..d30a3e831924b2412daf1f3c1504e8fdbf0103c0 100644
--- a/gpu/command_buffer/service/test_helper.cc
+++ b/gpu/command_buffer/service/test_helper.cc
@@ -538,7 +538,8 @@ void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
 
   if ((strstr(extensions, "GL_ARB_texture_float") ||
        gl_info.is_desktop_core_profile) ||
-      (gl_info.is_es3 && strstr(extensions, "GL_EXT_color_buffer_float"))) {
+      (gl_info.is_es3 && strstr(extensions, "GL_OES_texture_float") &&

[qiankun, 2016/11/02 10:30:05]

GL_OES_texture_float is needed for this condition, see
https://cs.chromium.org/chromium/src/gpu/command_buffer/service/feature_info....

+       strstr(extensions, "GL_EXT_color_buffer_float"))) {
     static const GLuint tx_ids[] = {101, 102};
     static const GLuint fb_ids[] = {103, 104};
     const GLsizei width = 16;
@@ -575,6 +576,7 @@ void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
     EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
+    GLenum status_rgba = GL_FRAMEBUFFER_COMPLETE;
     EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, width, width, 0,
         GL_RGB, GL_FLOAT, _))
         .Times(1)
@@ -587,7 +589,9 @@ void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
       EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
           .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
           .RetiresOnSaturation();
+    }
 
+    if (status_rgba == GL_FRAMEBUFFER_COMPLETE) {

[qiankun, 2016/11/02 10:30:05]

see discussion in https://codereview.chromium.org/2443553002/#msg7.
This is used to align with the actual executed code:
https://cs.chromium.org/chromium/src/gpu/command_buffer/service/feature_info....

       if (enable_es3 && gl_info.is_es3_capable) {
         EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_R16F, width, width,
             0, GL_RED, GL_FLOAT, _))