base: Remove the string logging from CHECK().

media/gpu/rendering_helper.cc

Index: media/gpu/rendering_helper.cc
diff --git a/media/gpu/rendering_helper.cc b/media/gpu/rendering_helper.cc
index bcb1d0fe8b00ec2ccd128a7dca0f63b3505dce41..dfb0d3cbd262461e63488aed1ea9bad0b539d2f7 100644
--- a/media/gpu/rendering_helper.cc
+++ b/media/gpu/rendering_helper.cc
@@ -208,7 +208,8 @@ RenderingHelper::RenderingHelper() : ignore_vsync_(false) {
 }
 
 RenderingHelper::~RenderingHelper() {
-  CHECK_EQ(videos_.size(), 0U) << "Must call UnInitialize before dtor.";
+  // Must call UnInitialize before dtor.
+  CHECK_EQ(videos_.size(), 0U);
   Clear();
 }
 
@@ -384,7 +385,7 @@ void RenderingHelper::Initialize(const RenderingHelperParams& params,
                               GL_TEXTURE_2D, thumbnails_texture_id_, 0);
 
     GLenum fb_status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER);
-    CHECK(fb_status == GL_FRAMEBUFFER_COMPLETE) << fb_status;
+    CHECK(fb_status == GL_FRAMEBUFFER_COMPLETE);
     glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT);
     glBindFramebufferEXT(GL_FRAMEBUFFER,