Switched remaining GPU test bots to be pure testers, triggered by builders.

masters/master.chromium.gpu/slaves.cfg

Index: masters/master.chromium.gpu/slaves.cfg
diff --git a/masters/master.chromium.gpu/slaves.cfg b/masters/master.chromium.gpu/slaves.cfg
index a85b412101a1eefbecfce31d50e1188a0dd6de50..4fc3a00764a222581b07e7a4a2b5326cf964654c 100644
--- a/masters/master.chromium.gpu/slaves.cfg
+++ b/masters/master.chromium.gpu/slaves.cfg
@@ -30,9 +30,10 @@ slaves = [
     'os': 'win',
     'version': 'win7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-win7-release-nvidia',
+    'triggered_by': 'GPU Win Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -41,8 +42,9 @@ slaves = [
     'os': 'win',
     'version': 'win7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Debug',
+    'triggered_by': 'GPU Win Builder (dbg)',
   },
   {
     'master': 'ChromiumGPU',
@@ -51,9 +53,10 @@ slaves = [
     'os': 'win',
     'version': 'win7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-fyi-win7-release-ati',
+    'triggered_by': 'GPU Win Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -62,9 +65,10 @@ slaves = [
     'os': 'win',
     'version': 'win7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-fyi-win7-release-intel',
+    'triggered_by': 'GPU Win Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -93,9 +97,10 @@ slaves = [
     'os': 'mac',
     'version': '10.7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-mac-release-intel',
+    'triggered_by': 'GPU Mac Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -104,8 +109,9 @@ slaves = [
     'os': 'mac',
     'version': '10.7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Debug',
+    'triggered_by': 'GPU Mac Builder (dbg)',
   },
   {
     'master': 'ChromiumGPU',
@@ -126,9 +132,10 @@ slaves = [
     'os': 'mac',
     'version': '10.7',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-fyi-mac-retina-release',
+    'triggered_by': 'GPU Mac Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -136,9 +143,10 @@ slaves = [
     'builder': 'Mac Retina Debug',
     'os': 'mac',
     'version': '10.7',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Debug',
     'bits': '64',
+    'triggered_by': 'GPU Mac Builder (dbg)',
   },
   {
     'master': 'ChromiumGPU',
@@ -147,9 +155,10 @@ slaves = [
     'os': 'mac',
     'version': '10.8',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-mountain-lion-release-intel',
+    'triggered_by': 'GPU Mac Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -158,8 +167,9 @@ slaves = [
     'os': 'mac',
     'version': '10.8',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Debug',
+    'triggered_by': 'GPU Mac Builder (dbg)',
   },
   {
     'master': 'ChromiumGPU',
@@ -168,9 +178,10 @@ slaves = [
     'os': 'mac',
     'version': '10.8',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-mountain-lion-release-ati',
+    'triggered_by': 'GPU Mac Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -199,9 +210,10 @@ slaves = [
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Release',
     'perf_id': 'gpu-linux-release-nvidia',
+    'triggered_by': 'GPU Linux Builder',
   },
   {
     'master': 'ChromiumGPU',
@@ -210,8 +222,9 @@ slaves = [
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
-    'recipe': 'gpu/build_and_test',
+    'recipe': 'gpu/download_and_test',
     'build_config': 'Debug',
+    'triggered_by': 'GPU Linux Builder (dbg)',
   },
   {
     'master': 'ChromiumGPU',