Remove the static qualifier from functions in header files.

src/x64/frames-x64.h

Index: src/x64/frames-x64.h
diff --git a/src/x64/frames-x64.h b/src/x64/frames-x64.h
index 1db7429d0a4421de5946068cdbecd608c909c5f3..2626954ac6dce2d0de78db82edf44b4d3a498867 100644
--- a/src/x64/frames-x64.h
+++ b/src/x64/frames-x64.h
@@ -31,20 +31,20 @@
 namespace v8 {
 namespace internal {
 
-static const int kNumRegs = 16;
-static const RegList kJSCallerSaved =
+const int kNumRegs = 16;
+const RegList kJSCallerSaved =
     1 << 0 |  // rax
     1 << 1 |  // rcx
     1 << 2 |  // rdx
     1 << 3 |  // rbx - used as a caller-saved register in JavaScript code
     1 << 7;   // rdi - callee function
 
-static const int kNumJSCallerSaved = 5;
+const int kNumJSCallerSaved = 5;
 
 typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
 
 // Number of registers for which space is reserved in safepoints.
-static const int kNumSafepointRegisters = 16;
+const int kNumSafepointRegisters = 16;
 
 // ----------------------------------------------------