Rename TouchAdjustment namepsace to touch_adjustment

https://google.github.io/styleguide/cppguide.html#Namespace_Names
> Namespace names are all lower-case.

This CL has no behavior changes.

Bug: 889726
Change-Id: I4ed9022a181156fdfb13210d00c1b947a9a0df51
Reviewed-on: https://chromium-review.googlesource.com/1253168Reviewed-by: Kent Tamura <tkent@chromium.org>
Commit-Queue: Hwanseung Lee <hs1217.lee@samsung.com>
Cr-Commit-Position: refs/heads/master@{#595433}

third_party/blink/renderer/core/page/touch_adjustment.cc

@@ -41,7 +41,7 @@
 
 namespace blink {
 
-namespace TouchAdjustment {
+namespace touch_adjustment {
 
 const float kZeroTolerance = 1e-6f;
 constexpr float kMaxAdjustmentSizeDips = 32.f;
@@ -65,16 +65,16 @@ class SubtargetGeometry {
   FloatQuad quad_;
 };
 
-}  // namespace TouchAdjustment
+}  // namespace touch_adjustment
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
-    blink::TouchAdjustment::SubtargetGeometry)
+    blink::touch_adjustment::SubtargetGeometry)
 
 namespace blink {
 
-namespace TouchAdjustment {
+namespace touch_adjustment {
 
 typedef HeapVector<SubtargetGeometry> SubtargetGeometryList;
 typedef bool (*NodeFilter)(Node*);
@@ -481,7 +481,7 @@ bool FindNodeWithLowestDistanceMetric(Node*& target_node,
   return (target_node);
 }
 
-}  // namespace TouchAdjustment
+}  // namespace touch_adjustment
 
 bool FindBestClickableCandidate(Node*& target_node,
                                 IntPoint& target_point,
@@ -489,13 +489,13 @@ bool FindBestClickableCandidate(Node*& target_node,
                                 const IntRect& touch_area,
                                 const HeapVector<Member<Node>>& nodes) {
   IntRect target_area;
-  TouchAdjustment::SubtargetGeometryList subtargets;
-  TouchAdjustment::CompileSubtargetList(
-      nodes, subtargets, TouchAdjustment::NodeRespondsToTapGesture,
-      TouchAdjustment::AppendBasicSubtargetsForNode);
-  return TouchAdjustment::FindNodeWithLowestDistanceMetric(
+  touch_adjustment::SubtargetGeometryList subtargets;
+  touch_adjustment::CompileSubtargetList(
+      nodes, subtargets, touch_adjustment::NodeRespondsToTapGesture,
+      touch_adjustment::AppendBasicSubtargetsForNode);
+  return touch_adjustment::FindNodeWithLowestDistanceMetric(
       target_node, target_point, target_area, touch_hotspot, touch_area,
-      subtargets, TouchAdjustment::HybridDistanceFunction);
+      subtargets, touch_adjustment::HybridDistanceFunction);
 }
 
 bool FindBestContextMenuCandidate(Node*& target_node,
@@ -504,18 +504,18 @@ bool FindBestContextMenuCandidate(Node*& target_node,
                                   const IntRect& touch_area,
                                   const HeapVector<Member<Node>>& nodes) {
   IntRect target_area;
-  TouchAdjustment::SubtargetGeometryList subtargets;
-  TouchAdjustment::CompileSubtargetList(
-      nodes, subtargets, TouchAdjustment::ProvidesContextMenuItems,
-      TouchAdjustment::AppendContextSubtargetsForNode);
-  return TouchAdjustment::FindNodeWithLowestDistanceMetric(
+  touch_adjustment::SubtargetGeometryList subtargets;
+  touch_adjustment::CompileSubtargetList(
+      nodes, subtargets, touch_adjustment::ProvidesContextMenuItems,
+      touch_adjustment::AppendContextSubtargetsForNode);
+  return touch_adjustment::FindNodeWithLowestDistanceMetric(
       target_node, target_point, target_area, touch_hotspot, touch_area,
-      subtargets, TouchAdjustment::HybridDistanceFunction);
+      subtargets, touch_adjustment::HybridDistanceFunction);
 }
 
 LayoutSize GetHitTestRectForAdjustment(const LayoutSize& touch_area) {
-  const LayoutSize max_size(TouchAdjustment::kMaxAdjustmentSizeDips,
-                            TouchAdjustment::kMaxAdjustmentSizeDips);
+  const LayoutSize max_size(touch_adjustment::kMaxAdjustmentSizeDips,
+                            touch_adjustment::kMaxAdjustmentSizeDips);
   return touch_area.ShrunkTo(max_size);
 }
 

third_party/blink/tools/audit_non_blink_usage.py

@@ -314,6 +314,12 @@ _CONFIG = [
             'cc::SolidColorScrollbarLayer',
         ],
     },
+    {
+        'paths': ['third_party/blink/renderer/core/page'],
+        'allowed': [
+            'touch_adjustment::.+',
+        ],
+    },
     {
         'paths': ['third_party/blink/renderer/core/inspector/inspector_memory_agent.cc'],
         'allowed': [