Add GL error usage metrics for glTexImage* APIs

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 71a5918e3f9a7de7d4cc534a4f67ea80eab0cbd7..bcbfa95974425e4faa033256abad9fc26e635030 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -15020,6 +15020,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <summary>The display type used to ask for an EGLDisplay.</summary>
 </histogram>
 
+<histogram name="GPU.Error" enum="GLError">
+  <owner>junov@chromium.org</owner>
+  <owner>piman@chromium.org</owner>
+  <summary>The error states generated by OpenGL calls.</summary>
+</histogram>
+
 <histogram name="GPU.FenceSupport" enum="BooleanAvailable">
   <owner>reveman@chromium.org</owner>
   <summary>
@@ -66331,6 +66337,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="6" label="UNSET"/>
 </enum>
 
+<enum name="GLError" type="int">
+  <int value="0" label="0x0000 - GL_NO_ERROR"/>
+  <int value="1280" label="0x0500 - GL_INVALID_ENUM"/>
+  <int value="1281" label="0x0501 - GL_INVALID_VALUE"/>
+  <int value="1282" label="0x0502 - GL_INVALID_OPERATION"/>
+  <int value="1285" label="0x0505 - GL_OUT_OF_MEMORY"/>
+  <int value="1286" label="0x0506 - GL_INVALID_FRAMEBUFFER_OPERATION"/>
+</enum>
+
 <enum name="GoogleCaptchaEvent" type="int">
   <int value="0" label="Google CAPTCHA shown"/>
   <int value="1" label="Google CAPTCHA solved"/>
@@ -81672,6 +81687,12 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="PLT.PT_StartToFinish"/>
 </histogram_suffixes>
 
+<histogram_suffixes name="GLApisWithErrorReporting">
+  <suffix name="TexImage2D" label="All GL APIs that allocate a 2D texture."/>
+  <suffix name="TexImage3D" label="All GL APIs that allocate a 3D texture."/>
+  <affected-histogram name="GPU.Error"/>
+</histogram_suffixes>
+
 <histogram_suffixes name="GlobalSdch">
   <suffix name="global_disable_sdch" label="with SDCH completely disabled"/>
   <suffix name="global_enable_sdch"